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Biology of Violence Examined - Biology of Violence Examined In comparison Robert Wright and Jane Ellen Stevens hold different positions on their stance about the biology of violence. Stevens writes in her article that it is her belief that violence is a direct result of biological or public health problems. Wright’s view differs as his article shows why he believes that violence is a result of external causes beyond the simple biological explanation. Whereas both authors have opposing viewpoints each presents an argument worth of consideration....   [tags: Papers] 363 words
(1 pages)
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Marine Biology - MARINE BIOLOGY CASE STUDY LAB - PART 2 Analysis 1. By running the programming with a fish.dat file containing the information for a 2 x 2 tank size, and changing the starting positions for fish A, B, and C, according to the problem, I was able to evaluate the random sequence of steps taken by each fish. The fish move in sequence of A, B, and then C. Then they move according to open slots. If a fish is covered on both sides by another fish, it is unable to move and, therefore, stays in that exact position....   [tags: essays research papers] 381 words
(1.1 pages)
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field biology projects - I intend on doing a regular project and an extra credit project. For my first project I will start a recycling process in my home. I don’t want to make it too hard on my family so it will consist of aluminum objects and plastics. I will run this and accumulate materials for two weeks. After I will take pictures to illustrate what I have accomplished with my family and write a general knowledge paper on how it affected my home and the environment. It is my assumption that in order to have sex once you have finished....   [tags: essays research papers] 389 words
(1.1 pages)
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Biology of Cloning - Cloning: the process of copying one’s DNA to create an identical organism through nonsexual means. To Clone a human there are 5 Steps. 1. First you need to get an adult human female and Isolate the nucleus from a somatic (non-reproductive) cell. The complete genetic material of the organism is in the nucleus. To get the cell nuclei this step is repeated many times. A very small needle and syringe (suction device) is used to poke through the cell membrane to capture the nucleus and remove it from the cell....   [tags: essays research papers] 395 words
(1.1 pages)
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Why Shark Bay (Australia) is a World Heritage Site - Why Shark Bay (Australia) is a World Heritage Site Shark bay is recognised as one of the worlds heritage sites as it fits into all four of the major categories they are: * “ as an outstanding example representing the major stages in the earth’s evolutionary history; * as an outstanding example representing significant ongoing ecological and biological processes; * as an example of superlative natural phenomena; and * Containing important and significant habitats for in situ conservation of biological diversity.” (June 4th Shark Bay World Heritage area: http://www.geology.ucdavis.edu) The shark bay region has a number of plant species that are threatened and the last of their ki...   [tags: Biology] 412 words
(1.2 pages)
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Free College Admissions Essays: Biology and Psychology - Biology and Psychology University has always appealed to me because of the wealth of experiences it has to offer as a student. Although I enjoy English Literature and Chemistry: two of my 'A level´ subjects, I am especially keen to study Biology and Psychology. For me, the main appeal of the course lies in the variety of topics that will be covered. The aspects of Biology I find particularly interesting are neuroscience and how the immune system functions and responds. In Psychology, I am very interested in what makes people unique and how different factors shape our personality....   [tags: College Admissions Essays] 475 words
(1.4 pages)
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Analysis of Biology of Aloe Vera Plant - Aloe Vera is a member of the Liliaceae family. Also known as Aloe barbadensis, Barbados aloe, and medicinal aloe. (Quattrocchi, 2000) There are nearly five hundred species of aloe, found throughout the world today. These low or stem-less plants that originated from Africa, have prickly margined, pointed leaves that produce a yellowish, “gel” or medicinal sap, when cut. Taonomic Affiliation: The species Aloe Vera is more scientifically known as Aloe barbadenis. It is a member of the Asphodelacea (Liliaceae) family, which has many other similar plants, but A....   [tags: Papers]
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494 words
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Biology Lab Report - Biology Lab Report Lab No. 18: Biochemical Genetics: Smooth Peas Wrinkled Peas Data Presentation: The diagram of cotyledon for smooth and wrinkled pea is attached to the next page. The table of starch presents is below: Type of Pea Starch Present. (Color change) Smooth Yes (Dark blue) Wrinkled No (No change) Conclusion Smooth pea is dominant than wrinkled one, hence we can say the letter of allele which controls this characteristics is S. ‘SS’ and ‘Ss’ for smooth, and ‘ss’ for wrinkled....   [tags: Papers] 515 words
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Careers After Studying Biology - Careers After Studying Biology Epidemiologist Epidemiologists solve disease mysteries. They are scientists who figure out what causes a certain disease and why some people get the disease and why some people don't. Then they can tell people how to help prevent the disease. Epidemiologists study many different diseases, such as cancer and heart disease. They often study epidemics, which are unusual outbreaks of diseases. Forensic biology Forensic biology involves the detection, identification and comparison of biological materials relating to many legal aspects....   [tags: Papers] 516 words
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Aristotle's Influences on Biology - Science has taken huge steps to get to where it is today. Throughout the ages biology has developed from focusing on medicine and natural history, to great scientific advantages such as the theory of evolution, classifying living organisms and decoding every strand of DNA in the human body. Biology is the study of life, and all living organisms. The first known biologists were Hippocrates of Kas and Galen of Pergamum, who helped with the understanding of anatomy and physiology. Philosophy is the study of a basis of a particular branch of knowledge or experience....   [tags: mathematics, academy, physics] 527 words
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Biology Answers to Quiz: Cells - 1. I believe that these polymers, Cellulose, starch and glycogen have different properties because they are used in different organisms. Cellulose and starch are mainly used in plants and glycogen is used in animals. Cellulose is used for strength in its stems and leaves and uses starch for help with storing things. Glycogen is used in animals to help store things as well. These polymers have different properties because they have different functions in different organisms. 2. Diffusion is the spreading out of particles from an area of high concentration to an area of low concentration....   [tags: Cellulose, Difussion, ATP] 532 words
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The Importance of Water in Biology - Task: Design, then execute, a lab protocol to investigate water properties Research question: Is water co-hesive/ ad-hesive. Hypothesis: If we test water's co-hesion and ad-hesion on various papers, it will vary. For example, if we place water on wax paper, it will not be absorbed and thus helps to prove that it is not very ad-hesive as it will stay in a ball and will easily roll off. Also, the water will be easily broken if we were to try separating it using a metal stick, and this will show weak co-hesive forces....   [tags: Lab Report] 539 words
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The Roles of Water in Living Organisms and as an Environment for the Organisms - The Roles of Water in Living Organisms and as an Environment for the Organisms Without water there would be no life on Earth; this is why water is the most important biochemical of all. In "Human Biology" by J.M Orten and O.W. Nevhans, it is suggested that 70% of all body weight is water, most of which is found in three major compartments: 70% intracellular fluid, 20% interstitial fluid (lymph) and 7% blood plasma, and only 3% in other compartments. By volume, nearly a half of each of our organs consist of water; amounting to approximately 10 gallons of water, of which most is in our cells....   [tags: Biology Essays] 539 words
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Statement of Purpose for My Bachelor's Degree at University of Roskilde - ... In A levels, I studied biology which gave me an academic foundation that is necessary for a career in science and provided me with knowledge of how human life evolved. Mathematics helped me solve problems from different angles and work in a logical and critical manner. These subjects gave me a drive to further my education in science and learn more about how it shapes our planet. The aspects of natural science program that attracts me the most is the multidisciplinary course which holds a unique opportunity, where I could freely choose which subjects that I want to study....   [tags: natural science, biology, culture] 547 words
(1.6 pages)
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Synthetic Biology: Transplanting an Artificial DNA to a Living Bacterium Mycoplasma - ... This is followed by transplanting the artificial DNA into a living bacterium Mycoplasma capricolum with its own DNA. They then allowed the bacterium which now contains both artificial and synthetic DNA to multiply. This means that the daughter bacteria will contain both artificial and authentic DNA. To remove the authentic DNA bacteria, they used an antibiotic that kills the bacteria with authentic DNA but not the bacteria with artificial DNA. They then allowed the artificial bacteria to produce proteins....   [tags: prokaryotic and eukaryotic] 554 words
(1.6 pages)
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Statement of Purpose for a Cancer Biology Application - ... My studies provided me with a fertile ground upon which I based the development of my interest in the mechanism of cancer growth and development. Moreover, tumor metastasis and its related development factors, such as those that lead to the metastasis from one organ to another, has further fueled my interest in taking a further study in the field. I believe that as a requirement to further specialization in cancer biology, both as a practitioner and a lecturer in the future, I have to acquire a full comprehension of the mechanism of metastasis of tumors, angiogenesis, and the factors that helps to regulate this process....   [tags: veterinary, animal hospital, masters] 556 words
(1.6 pages)
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Chemistry of Biology - Chemistry of Biology There are many parts to every living thing. These basic parts have specialized jobs, which give shape and function of everything in the universe. The basic building block for all mass is the atom. There are many different parts to the atom. The electron is a negatively charged particle that revolves around the nucleus in electron shells. The electron is one of the smallest particles that make up the atom. The counterpart to the electron is the proton. This is a larger positive charged particle....   [tags: Papers] 560 words
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The Biology of Cancer - The Biology of Cancer In this report I will discuss the biology of cancer, including the explanations of what is cancer, what causes it and how it can be prevented. In addition, I will briefly discuss the different ways it is treated. What is cancer. Cancer develops when cells in a part of the body begin to grow out of control. Although there are many kinds of cancer, they all start due to the abnormal cells growing out of control. Normal body cells grow, divide and die in an orderly fashion....   [tags: Papers] 563 words
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Biology: Arabidopsis Culture Cell and Transformation - Arabidopsis Culture Cell and Transformation Arabidopsis thaliana (L.) Columbia ecotype suspension- cultured T87 cells were maintained at 22°C in JPL3 medium with continuous illumination and shaking at 100g. Two-week-old cells were sieved through 500 μm stainless mesh and the remaining filtrate was transferred to a flask containing 20 ml of fresh JPL3 medium for subculture. Transformation of T87 cells was done by culturing the cells in B5 medium supplemented with 1 μM 1-naphthaleneacetic acid (NAA) and 40 g L-1 sucrose....   [tags: gene expression analysis] 564 words
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Biology of a Squid - Biology of a Squid Squids are among the most varied and unique of all invertebrates. They are mollusks of the Class Cephalopod, along with the nautilus, cuttlefish, and octopus. Squids are highly evolved, and have developed a number of traits uncommon to most other mollusks. Fossil records of cephalopods have dated back the Cambrian Period (about 600 million years ago). Structurally, squids have only small variations of a basic theme common to all cephalopods. They are spherical or cigar-shaped with two fins used to stabilize movement when swimming....   [tags: Papers] 570 words
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Biology: The Endosymbiotic Theory - ... A cell’s plasma membrane to come together and joins to combine the material inside and then an intracellular vesicle is then formed. The origin of Eukaryotes is still Under Investigation but the most popular theories involves a symbiotic relationship between prokaryotic and eukaryotic cells. In 1883 this theory began with Andreas schimper. Schimper hypothesized that cells had an endosymbiotic nature. Konstantin Merezhkovsky proposed in 1905, the reason that the plastids were endosymbionts, suggesting that symbiosis is the force behind evolution....   [tags: lynn margulis, eukaryotes] 575 words
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Studying Development Biology and Cellular Biology - To take my initial steps towards research, I spent the winter during my sophomore year working on a project at microbiology laboratory under Dr. Anil Limaye, Assistant Professor, IIT Guwahati. Apart from gaining valuable knowledge in bacteriology by surveying various literature works, I learned basic techniques such as bacterial culture and transformation. A diverse spectrum of laboratory courses like Molecular Biotechnology Laboratory, Biomolecular Analysis Laboratory and Biochemical Engineering Laboratory have trained me in several basic techniques like Plasmid extraction, Gel Electrophoresis, Purification and Estimation of proteins etc....   [tags: research, baterial, culture, skills] 580 words
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Biology: Flatwroms - ... Echinococcus granulosus is of class Cestoidea. All cestoda are endoparasites requiring at least two hosts. The life cycle of Echinococcus granulosus includes dogs and other canines as the definitive or final hosts while various other vertebrates such as, sheep, cattle, goats, and humans serve as the intermediate hosts. The lifecycle of Clonorchis sinensis begins with an embryonated egg that is passed through feces. The eggs are ingested by snails and begin to undergo various developmental stages....   [tags: life cycle, parasites] 582 words
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Biology Enzymes Coursework - Biology Enzymes Coursework Prediction: I think that the enzyme will work best at 45.c to 50.c I think this because that optimum temperature for most natural enzymes is 40.c but his is a chemical enzyme so it will work best a little higher. If this temp is exceeded then I think that it will take longer to work because it will not be at the optimum temp, or it will not work at all because it has become denatured. An enzyme cannot recover from this state....   [tags: Papers] 583 words
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My Desire to Understand Life Compels Me to Study Biology - My desire to understand life is a huge intellectual challenge, because living things are the most complex structures we know of. By studying biology, I hope to gain adequate knowledge about the structure and complexity of living things and to establish a strong connection between the mundane explanations and details offered in my A-level biology text book. Understanding life is central to humanity's survival, because most of the looming pressure on our species - climate change, environmental degradation , emergent diseases , and population growth - impact on us via their effects on organisms ....   [tags: career choices] 585 words
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Biology: What´s a Chromosomal Mutation? - A mutation is a change in DNA. An organism's DNA affects how it looks and how it behaves. It can be any change in the gene sequence. We as christians do realize that genes do change over time. The way that our DNA can be changed is by multiple reasons, U.V. hitting it , radiation hitting or even replication mistakes. There are different kinds of mutations and We will talk about them later on in the paper. Before researching the topic of mutations my initial thought right off the back is, some kind of gross abnormally growing on or in creatures of this world (notes, american)....   [tags: dna, gene sequence] 590 words
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Analysis and Description of Synthetic Biology - Synthetic biology, “the aim is to create improved biological functions to fight current and future challenges”. Like all engineering disciples’ synthetic biology is motivated by application to solve specific problems” (3, 7). “Like chemistry biology is the study of living things. Synthetic biology is replicating and recreating nature, which allows it to sometimes control living things (6). Larger quantities of Artemisinin a drug for malaria will be due to the new E coli strain. Thoughts are that it may be able to produce food, optimize industrial processing and detect, prevent and cure cancer (1, 3)....   [tags: synthetic biology, dna, cells] 592 words
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Biology: Endocrine Hormones - Endocrine Hormones Are Involved In the Homeostasis of Blood Pressure Human body is probably as scientific as it could get with a whole network of controls and balances well in place. We have the nervous systems and immune systems and these systems are there to stay and more importantly they evolve and change with the passage of time. They keep upgrading themselves and this what keeps the man up to par with everything else and the change as and when they do come about. The hormone is like a messenger or a communicator in the case of out body....   [tags: immune system, messages, blood] 600 words
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Becoming a Researcher in the Department of Biochemistry and Molecular & Cellular Biology in the Georgetown University School of Medicine - STATEMENT OF PURPOSE “They can conquer those who believe they can” – these lines by Ralph Waldo Emerson have kept my dream alive of charting a career of research and innovation for myself. Advances are being made in the field of Biotechnology and it has emerged as a captivating and versatile field of science. Application of newer technologies has created new challenges and opportunities in this industry, but it is largely untapped resource and has large potential for continuous research. These newer challenges excite me and I am keen to try my hand at unraveling them with my skills through MS in Biotechnology and pursue a life of scholarly pursuits along with imparting the knowledge gained...   [tags: statement of purpose] 607 words
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Verifying a Potential Role of GH in the Maintenance and Regeneration of Skeletal Muscle Precursors - Introduction Rapid developments in free radical biology and molecular technology led to the acquisition of data supporting the role of oxidative stress as a major contributor to the aging process and to the pathogenesis of a number of diseases (57, 65, 70). Oxidative damage to DNA, proteins, and lipids accumulates with age and contributes to degenerative diseases and the aging phenomenon by disrupting cellular homeostasis (1, 3, 4, 27). At the cellular level, oxidative stress generated by reactive oxygen species (ROS) and ROS-modified molecules can influence a wide range of cellular functions, leading to uncontrolled cell proliferation or accelerated cell death (20)....   [tags: Biology] 613 words
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Science: Biology in Psychology - ... An example of high level stress is Post Tramantic Stress disorder (PTSD). Studies conducted by (Yehuda and colleagues) showed that patients with PTSD has lower cortisol levels to cope with their stress. People with lower cortisol levels has a higher level of avoidence behavior to avoid the source of the stress. This studies was conducted on trauma survivors during the September 11th attack on the World Trade Center. A sample size group of 28 people were gathered to monitor their coritsol levels as they participated in treatment of PTSD....   [tags: bio mechisum, brain funcionality] 614 words
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A General Overview of Biology - ... Cytologists deal with the structure composition and functions of cells whereas embryologists investigate the formation and development of animals and plants before they become independent organisms. History The philosophy of biology began with the ancienct Greeks. Plato (428-348 BCE) was not exactly interested in biology, yet his famous student, Aristotle (384-322 BCE) had much to state about it. Aristotle’s most important contributions were his observations that biological organisms can be arranged based on their complexity....   [tags: natural sciences, study of living things] 617 words
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Vertebrate Adaptions for Terrestrial Life - Vertebrate Adaptions For Terrestrial Life AP-Biology Essay on vertebrate structural adaptations for terrestrial life.      The problems of survival of animals on land are very different from those of survival of animals in aquatic environment. Describe four problems associated with animal survival in terrestrial environments but not in aquatic environments. For each problem, explain a physiological of structural solution.      Four problems faced by animals on land are breathing (respiration), water conservation in excretions, successful reproduction, and the producing an egg which can survive outside of the water....   [tags: AP-Biology Biology] 619 words
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Race: Is It Biology or Social Behavior? - ... At the time of the Plessy decision the Supreme Court set the precedent that “separate” facilities for blacks and whites were constitutional as long as they were “equal”, and he was fined for $25.00. This decision became known as the separate but equal doctrine, which led to the Jim Crow’s Law which was then stroked down by the Brown vs. Board of Education. Race is not biological Constructed it is socially and politically real via law public policy and social practices, based on a large superficial appearances....   [tags: court, society, election, behavior] 621 words
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As Toid by The Egg: Nonfiction Biology Article Summary - In the article, As toid by the egg by the author Susan Gaidos, the general subject matter/theme of the article is how reproduction occurs with an egg and a sperm to create new individuals. The main ideas which will be addressed in the article are how the egg and sperm reproduce, the challenges the sperm faces to get to the egg, how the egg and the sperm have evolved over time since originally the cells looked the same, proteins are involved in the reproduction, and a discussion on reproductive failure....   [tags: susan gaidos, sperm, reproduction] 650 words
(1.9 pages)
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The Biology of Learning and Memory Flashcards - ... You are processing information the same time you are storing it. It is useful for planning ahead, analyzing, and organizing. Going onto amnesia, I learned more about amnesia, including the types of amnesia and the hippocampus’s involvement with different memories. The two types of amnesia are anterograde amnesia and retrograde amnesia. Anterograde amnesia is the inability to form memories after brain damage, and retrograde amnesia is when you are not able to recall memories prior to brain damage....   [tags: chapter 13] 653 words
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biology presentation for the skeleton - Intro – slide 1 – acetate 1 The skeleton of a human foetus is formed from tough but flexible cartilage that acts as a blueprint for bone construction. During ossification ( the changing of cartilage to bone) which begins before birth, the cartilage is broken down and the resulting space is filled by bone building mineral salts and protein fibres secreted by bone cells. Humans have a bony endoskeleton made up of 206 bones, although we are born with up to 300, but many of these fuse during childhood....   [tags: essays research papers] 667 words
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Biology Coursework: The effect of Trypsin on Gelatine. - Implementing: - 1. First, I gathered the necessary equipment: § Thermostatically controlled water baths § Ice § Thermometer § Stop watch § Test tubes § Photographic film (b/w) § Syringe § Test tube rack § Ruler § Scissors § O.1% trypsin made in pH7 buffer solution § Mounted needle 2. I then decided on the range of results and temperatures I was to investigate. I decided to observe 20º, 30º, 40º, 50º, 60º, 70º and 80º. 3. Next, I label each test tube with the temperature to be investigated and then added 2.5cm3 of Trypsin solution....   [tags: essays research papers] 677 words
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Adolescence: Defined By Biology or Society? - Adolescence begins in biology and ends in society. The definitions we accept to describe the onset of adolescence revolve around puberty, biological changes of the body. Therefore I consider adolescence to begin in biology. Adolescence ends in society. Entrance into adulthood marks the end of adolescence. The definitions of who is considered an adult are defined by society and therefore I contest that adolescence ends in society. The onset of adolescence is marked by a sudden increase in the production of many hormones in the body....   [tags: Adolescent Behavior] 687 words
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Tools of Evolutionary Biology Summary - ... Q.1 The study addressed questions like what effects maternal foraging success would have on maternal body condition, fecundity, egg investment and whether an abundance in prey for the mother would have positive effects on offspring traits like shapes maternal body condition, fecundity and egg investment, and that maternal prey abundance has a positive, cross-generational effect on a number of important offspring traits, for example, sibling cannibalism in black widow spiders. Q.2 The findings of this study include the knowledge that maternal foraging success is indeed responsible for better maternal body condition, egg sac mass, egg number, mass, size and density rate....   [tags: black widow spiders] 693 words
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Bone - The epidemiology study in Royal Infirmary of Edinburgh, Scotland reported the incidence of fracture in 2000 which was 5,953 fractures in a population of 534,715 (11.3 in 1,000). (1) In general, the bone has a physiologic repairing process which consists of three basic steps; inflammation, proliferation and remodeling and the fracture can be healed spontaneously. (2) Failure of physiological regeneration of these steps which might cause the fracture nonunion. (3)This pathologic condition is one of the important complications after treatment fracture which occurs about 5-10% (Littenberg et al., 1998, Tzioupis and Giannoudis, 2007)....   [tags: Biology] 694 words
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Biology Oral Cancer - ... There are no known forms of cancer that are contagious. There are certain risk factors that make some people more likely than others to develop cancer (Jones). Oral cancer is very dangerous because it is not usually noticed by the patient in its early stages. Human Papillomavirus is a common viral infection that has emerged as an important risk factor. Anyone who is sexually active is at risk for getting this disease; although there is a vaccine to prevent it. Once someone has HPV they are more at risk for genital warts and Cervical cancer (CDC)....   [tags: genetic mutations, gene changes] 715 words
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Meselsohn and Stahl's Experiment's Impact on the History of Molecular Biology - ... Heavy isotopes have an extra neutron which makes it heavier and it’s called 15N. In their experiment they grew E. coli (bacteria) on a medium containing heavy isotopes of nitrogen and another with normal nitrogen. Both samples were spun in an ultracentrifuge, in order to isolate the DNA depending on density at maximum speed, and different cycles. The lighter cells were less dense (14N) and stayed close to the top, while the heavy nitrogen sunk to the bottom. When they began with heavy nitrogen, the bacteria made copies of themselves, and then their DNA split in the middle making two DNA strands....   [tags: studying DNA formation] 718 words
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Statement of Purpose for a Bachelor's Degree in Biology or Chemistry from Michigan State University - ... I am interested in applying to Michigan State University for college. To be a neonatologist, I would first have to obtain a bachelor’s degree in either biology or chemistry. Not all schools require this, but because getting into medical school is so competitive, having an undergraduate degree would help get into the program that I want. After obtaining that degree, I would then go to four years of medical school. But before applying, I have to take the Medical College Admissions Test. After medical school, I must participate in a pediatrics residency for about 3 years and take an exam administered by the American Board of Pediatrics to become a certified Pediatrician....   [tags: neonatologist, physician, education]
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Lab: Which PH Breaks Down Albumin, a Substrase of the Enzyme Pepsin - Task 1 Extended Experimental investigation Factors Affecting Enzyme Action Focus Question: This lab will be driven by the research question, which pH level has the most successful effect on the activity of the enzyme Pepsin (protease) in the breakdown of the substrate, albumin. Introduction: Pearson Baccalaureate: Standard Level Biology Developed Specifically for the IB Diploma describes enzymes as “protein molecules which act as catalysts for reactions. As catalysts, the real function of enzymes is to lower the activation energy of the reactions that they catalyze” (Ward, Tosto, McGonegal, & Damon, 2007)....   [tags: Biology, Protein] 739 words
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Career: Marine Biology - ... Some marine biologists have found evidence of enormous squids, but have never seen their entire body. I would like to find species like those. What made me want to become a marine biologist was just that. I saw a documentary on these giant squids and right at that moment, I knew that I wanted to discover what else was hidden in the deep abyss. There could be mermaids for all we know. Without exploring the rest of the 70% that has not been seen, no one can tell what is down there. The average salary of a marine biologist is $57,430 per year....   [tags: Job Description, Benefits]
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746 words
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Gene Expression Noise - One of the most striking aspects of biology is in the diversity of cellular life. Although much of this variability has been attributed to genetic and environmental factors, recent studies have shown4 that genetically identical organisms in the same environment exhibit heterogeneity in gene expression. This phenomenon, gene expression noise, has been observed and measured across species as divergent as prokaryotes and mammalian cells.1-4 We have been keenly interested in understanding more about the origin of this heterogeneity as well as wondering what potential functional consequences it may have....   [tags: Biology] 748 words
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Application of the Vitalistic and Mechanistic Philosophies to Biology - ... A pronounced example of a naturalist who conceded with this line of thought was Georges Louis Leclerc, comte de Buffon. Referring to his paper “From the natural history of animals…” published in 1761, Buffon reasons that animals are formed for climatic manners, and that which is vital for the animals inhabiting synonymously forms the climatic designated locations. We can further conjure that Buffon’s thought process was at least partially influenced by religion making references to “heavens and the earth” as partaking in intricate roles of life at large....   [tags: organic chemists, darwin, plant roots ] 755 words
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Biology Summative: Telomeres, Telomerase, and Cancer - ... As a result, better cancer treatment would revolutionize society by saving thousands of lives every year. Furthermore, governments and institutions around the word spend billions of dollars on research cancer; better cancer treatment as a result of research in cancer and telomeres would save the world a lot of money in the future. Lastly, the future applications of this research will lead to advancement in medical technologies. Thus, the links between telomeres and cancer and the discoveries being made on them is changing the world through current and future applications that have implications for cancer treatment, society, the economy, and technology....   [tags: cancer cells, dna replication]
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766 words
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My PhD: The Conservation Biology of Shorebirds - The main direction of my PhD is to reveal why shorebirds are declining. I propose to use a combination of research methods (fieldwork, GIS, phylogenetic analyses), because learning these methods will be highly beneficial in my career as conservation biologist and academic. I have only decided about 3 papers, each should be suitable for a chapter. The direction of further chapters needs to be discussed as I go along. Chapter 1. Why are shorebirds declining. Comparative tests of intrinsic and extrinsic variables on threat status and population trends Shorebird (sandpipers, plovers, gulls and allies) populations are declining globally, driving many species to the brink of extinction (Zockler et...   [tags: PhD, proposals, Conservation Biology, animals,]
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767 words
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Dr. Indrani Bose's Seminar, “Using RNA Interference to Understand the Virulence and Biology of the Yeast Cryptococcus Neoformans - ... There are a few antifungal medicines in use today, these are Amphotericin B, Flucytosine, and Fluconazole. But there are various negative effects of using these drugs. “The long-term use of drugs that target ergosterol, such as fluconazole or amphotericin B, can result in renal and liver toxicity” (2). Another issue is that Cryptococcus neoformans eventually develops resistance to these medications. Dr. Bose stated that her long term goal is to discover better drugs to eradicate this disease from developing in humans....   [tags: meningoencephalitis, fungus, genes] 771 words
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Statement of Purpose to Study Biology and Chemistry - ... The close interaction built and Her ability to assure, educate and empowers the patients to take control of their well being was admirable. It was heartening to observe Dr tan attend to each walk-in patients professionally, conduting the assessments carefully, all the while maintaining her patience and empathy. Being a people person, I know that a job that interacts and converses with wide range of people is the right fit for me. I also had the privilege to speak with Dr Tan and the other Dr on shift after the last patient....   [tags: medical, volunteer, academics] 775 words
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Effects of Ultra Violet Radiation - Introduction During our studies in Biology lab, we have learned about Ultra Violet Radiation; the uses and harms that this radiation emits controlled and uncontrolled. One study was in the Noble paper that studied the effects of Ultra Violet radiation on seed growth and germination with the thought in minds how the increase of global Ultra Violet radiation may affect plants growth and germination. This scientific experiment is similar to the Noble paper study but differentiates in that this experiment will document the effects of gamma radiation on radish seeds in germination and on overall growth of the seeds....   [tags: Biology] 775 words
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Application Essay for Master of Science in Biology Program (Online) - I want to earn my Master of Science in Biology from University of Nebraska, Kearney, with an emphasis in either cellular biology and physiology or genetics and molecular biology. As one of the best and one of the few universities to offer an online master’s program in biology, I expect you receive many more requests for entrance than you have positions to offer. This leaves the question, “Why offer this opportunity to me?” If I could be a professional student, I would be. I am always wondering why, how, what if....   [tags: admissions essays] 779 words
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Johny's Brain on Coke - The following is a hypothetical and extremely unrealistic dialogue between my hypothetical friend Johnny and me. The conversation takes place at a Wesleyan party and concerns Johnny's decision to snort cocaine. The reason I chose cocaine for the topic of this dialogue is because of its widespread prevalence on campus, as well as the fact that several friends of mine frequently do coke for recreational purposes. Me. Hey Johnny, what you up to. Johnny. Nothing much dude, just doin' some lines. You in....   [tags: Biology] 779 words
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Introduction to Biology - Introduction to Biology A biosphere is anywhere organisms live.1 Thus, any place on our green planet, or microcosms within it, is a biosphere--more importantly it is the only one that we know how to live off. A well known fact is that our biosphere is becoming less and less suitable for sustaining our rapidly increasing population. Gross pollution caused by industrialism and technological advances have seriously damaged the part of out planet’s atmosphere made up of O3, most commonly referred to as Ozone....   [tags: Papers] 788 words
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If You Are Interested in Marine Biology - ... When becoming a marine biologist you don’t necessarily need to major in marine biology. A bachelors degree requires four years of college, a masters degree requires about six years of training, a phd requires about eight to ten years depending on which career you choose to study. Marine biologist usually reach for their phd, because that makes for a successful career. Marine biology have decent pay depending on the work position you hold. Usually the marine biologist that have their phd get better pay than the positions with the masters or bachelors....   [tags: studying, protecting, managing marine organisms]
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The Utility of Nucleic Acid Hybridisation and Nucleic Acid Probes In Molecular Biology - The unique property of nucleic acids to pair with each other through complementary base pairing is the lifeblood of genetic engineering. A single strand of DNA can pair up with another strand of DNA or RNA if its base pairs are complementary to those of the other strand, under the right conditions of temperature and pH. This phenomenon is called nucleic acid hybridisation. It is possible to exploit this mechanism for the detection of one nucleic acid strand from a mixture of many other strands....   [tags: Molecular Biology]
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The State of Georgia vs. Evolutionary Biology - The State of Georgia vs. Evolutionary Biology Douglas J. Futuyma, in Evolutionary Biology defined evolution as, "...change in the properties of populations of organisms that transcend the lifetime of a single individual. The ontogeny of an individual is not considered evolution; individual organisms do not evolve. The changes in populations that are considered evolutionary are those that are inheritable via the genetic material from one generation to the next." (1) Like most of the population, I've never picked up a copy of Evolutionary Biology and have only recently thought about the most correct definition of the term....   [tags: Exploratory Essays Research Papers]
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Sample Questions for a Biology Exam or Essay Topics: Viruses and Bacteria - ... The animal with the reservoir acts as a continual source for the virus for other host species. Some examples of this reservoir virus that causes disease in humans include the avian influenza and West Nile encephalitis which is carried in wild birds. Rodents carry viruses that causes Hantavirus pulmonary syndrome, mosquitoes carry yellow fever and raccoons carry rabies. 4. Describe the general viral replication cycle.p326 The general viral replication is like a car assembly factor it starts with attachments which bind virus cell surface receptor....   [tags: Organisms, Structure] 799 words
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DNA and common elements - Biology Topic Three Chemical elements element Function Prokaryotes Plants animals Sulphur proteins proteins Proteins Calcium Flagella movement Forms cell plate during cytokinesis Shells, bones, vesicle fusion Phosphorus Nucleic acids and ATP Nucleic acids and ATP Nucleic acids and ATP iron Cytochrome- used in respiration Cytochromes-used in reparation Cytochromes – used in mitochondria respiration, haemoglobin Sodium Main cation in cytoplasm Transmission of nerve impulses Water - Polar molecule - Oxygen has slight negative charge - Hydrogen has slight positive charge - Opposite charges attract - This forms hydrogen bonds - This is called coh...   [tags: Biology] 806 words
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Biology: What are Mycotoxins - ... In addition, ochratoxins are produced by several species of Penicillium and Aspergillus. Ochratoxin A (OTA) is the most prevalent and relevant ochratoxin, produced by A. ochraceus. Ochratoxins cause nephrotoxicity and renal carcinogenicity upon ingestion [80]. At higher doses, OTA has also shown to be teratogenic and immunotoxic. Hazard characterization As mentioned in the risk identification, aflatoxin B1 is a genotoxic carcinogen. It is assumed that there is no threshold dose, which means that a TDI cannot be established because every dose might already exert adverse health effects....   [tags: genotoxic carcinogen, environmental factors] 835 words
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Kingdom vs. Domain - Part A On Earth there are estimated to be around 30 million different organisms. With this sheer volume of different life and the natural human instinct to know as much as possible, it is necessary for us to break up the huge amount of information into more convenient groups. Scientists take two different approaches to this the first is the classical taxonomy, also known as the five kingdom system and the second is new taxonomy or the three domain system. The five kingdom system has developed with time....   [tags: Biology ]
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Biology: What is Speciation? - ... In this example of the giraffes, Darwin suggests that variation was a result of preexisting genetic differences among the giraffes. While this other biologist Jean-Baptiste Lamarck, believed that evolution occurred by the inheritance of acquired characteristics. He believed that the giraffe ancestor lengthened its neck by stretching to reach tree leaves, and then passed the change to the offspring. However, Darwin believed that some giraffes were just born with longer necks due to genetic differences....   [tags: charles darwin, natural selection] 859 words
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The Excretory System - The role of the liver is to filter toxins and remove them from the body in the form of nitrogenous waste. Nitrogenous waste is ammonia, urea and uric acid. In the human body only ammonia and urea are produced and the liver quickly changes the harmful ammonia into the tolerable urea for excretion from the body. Ammonia is toxic to humans in high concentrations (see Table 1). Ammonia is the by-product of protein being broken down. Ammonia is formed by the breakdown of amino acids taken from excess proteins....   [tags: biology, anatomy]
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Stem Cells: Characterization and Biomedical Importance - Over the past decade, stem cell biology has been an area that has caused much controversy. Stem cells have the ability to differentiate into many different types of cells and therefore, advocates of stem cell research argue that the cells have various medical applications. On the other hand, opponents of stem cell research denounce the use of human embryos for research purposes, claiming that the embryos represent human lives and that experimentation with them and subsequent annihilation of them is the same as killing a living human being....   [tags: Biology] 870 words
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Systems Biology and Computational Modeling - ... Bayesian estimation is an alternative to traditional optimization techniques. This method considers both the system and measurement noise during the estimation. It calculates the posterior density of the parameter conditioned on observed data . However, the calculation of this posterior involves high-dimensional integration for which no analytical solution is generally available. Therefore a numerical approximation has to be made for this posterior probability density. Among different Bayesian approaches, sequential methods have been shown to have a higher accuracy [4]....   [tags: experimental techniques, living organisms] 874 words
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Biology Basic - 1. Give several examples of the diversity of living things. Organism inhabits almost every place on Earth. Even the most extreme locations contain life. Tiny organisms inhabit the Antarctic ice, giant worms live near hot vents on the ocean floor, and some organisms even live inside other organisms. 2.Explain how the parts of the biosphere interact to maintain life. Organisms interact with earth other and with the environment. A meat eater will eat a grass eater, who feeds on plants, then the meat eater will die and return minerals to the soil, to make more plants for the grass eater to feed on, which is then eaten by another meat eater....   [tags: essays research papers] 880 words
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Alternatives for Animal Dissection - One of the breadth requirements for every student in college is to take a biological or life science course. When it comes to Biology, Anatomy, and few other sciences, one needs to learn about the body parts and the functions. Books explain all the information, but hands on learning is better so animal specimen are used for dissections and experiments. But is this the only way to learn about the body. There are students that find it disturbing when they look at a dead corpse or are against using animals....   [tags: life science, anatomy, biology]
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Evolving Antibodies - missing diagram Evolving Antibodies The immune system is an elegant system of defense against foreign invaders. It is able to successfully recognize and distinguish between thousands of different antigens. How is such complete recognition possible considering all the various structures foreign bodies may possess. How does the body produce antibodies specific enough to counter so many different pathogens. That is the subject of the recent research article, “Structural Insights into the Evolution of an Antibody Combining Site” (published in Science) by Gary J....   [tags: Biology]
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Synthetic Biology: Promises and Perils - Synthetic Biology: Promises and Perils In May 2010, researchers at the J. Craig Venter Institute (JCVI) in San Diego announced the construction of the first “synthetic” organism, a bacterium powered by an artificially synthesized genome.1 While the de novo generation of life remains beyond scientific reach (the JCVI team transplanted the synthetic genome into an existing Mycoplasma recipient cell), the implications of Venter’s experimental success are profound. A milestone in the nascent field of synthetic biology, JCVI’s pioneering achievement has inspired prospects for the creation of highly customized genomes with agricultural, environmental, and pharmaceutical applications....   [tags: Synthetic Organisms, J. Craig Venter]
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Notes on Biology, Cells and Chemistry - REVIEW UNIT 1-THE CELL LIFE *There is no def. for life *Life can be characterized by a list of things that we might agree living thing have in common-organized and contain complex chemical substances, Made up of one or more cells, Use Energy, Have a definite form& Limited size, Have a limited life Span, Grow, Respond to changes in the environment, Reproduce, Evolve over time.*Metabolism is all the chemical reaction occuring in the cell of an organism*All Living things must carry out processes to maitain life and homeostasis- Nutrition, Transport, Respiration, Synthesis and Assimilation, Growth, Excretion, Regulation, Reproduction, Metabolism.CHEMISTRY BASICS *Atoms of the elements are t...   [tags: essays research papers] 916 words
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Benefits of Human Cloning - What is cloning. "Cloning is the process of making a genetically identical organism through nonsexual means."(www.Howstuffworks.com) It has been used for thousands of years to produce plants. The next stage was to clone animals. Scientists can take unfertilized eggs of some small animals, and clone them, so they develop into full adults. After knowing that people realized how great it would be if we could clone humans. There would be a lot of advantages in cloning humans. Lets say someone will die if they can't get a heart transplant....   [tags: Clones Biology] 927 words
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Education in Biology and Anatomy: The Exhibition of Bodies - The Exhibition of Bodies offers the opportunity to children and adults an unprecedented visual experience to learn as never before about the complex human body. The Exhibition is located at 11 Fulton Street. New York, NY 1003.The Exhibition consists of 14 full body human specimens and over 200 organs. When one goes to this exhibition, one has to go completely open minded and aware that this bodies were willingly donated to assist educational, medical and scientific research. Through Polymer preservation, each body and organs in the nine galleries are dissected to clearly show the complex anatomical systems of the human specie....   [tags: anatomy, biology, exhibits,] 937 words
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Biology Revisited - Concepts and Methods in BiologyBiology RevisitedA. What is life?1. Experience and education refine our questions and our answers.2. Consider the meaning of "alive."3. This book is biology revisited. It will provide:a. Deeper understanding.b. A more organized level of understanding.B. To biologists, life reflects its ancient molecular origins and its degree of organization. Life is:1. A way of capturing and using energy and materials.2. A way of sensing and responding to specific changes in the environment.3....   [tags: essays research papers] 951 words
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Biology Experiment - Biology Experiment Prediction The temperature I thought the experiment would work best at is 37 c. I think this because your body temperature is 37oC and it is same as cows. Rennin is from a cow and that is what we used. Rennin is an enzyme and it is affected by temperature. Theory The lock and key theoryis simply a way of describing how specific an enzyme is for its substrate. Just like a lock requires a specifically shaped key for it to work so does an enzyme. Each enzyme is a protein which is a polypeptide chain folded into a complex 3 dimensional structure....   [tags: Papers] 954 words
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Echolocation in Marine Biology - ... Without proper communication, a dolphins feeding would be unsynchronised mayhem. dolphin communication makes feeding efficient as well as extremely easy for individuals to properly survive in their environment. Dolphins, and whales for example produce this sound by squeezing air through passages of the nasal cavity and out of an organ beneath their blowhole called the ‘melon. ’ When marine mammals send sound out these sounds, they rely on the speed of sound and an objects mass for the waves to bounce off of and return to the original individual from which the sound was transmitted....   [tags: marine mammals, dolphins, organisms] 957 words
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Breeding Habits of Water Birds - Chapter 1. INTRODUCTION Many species aggregate for feeding, roosting and nesting activities, which are prevalent among water birds (Weins, 1992). Why animals form breeding colonies is a major unresolved question in evolutionary biology. The topic continues to stir lively debate (Danchin & Wagner 1997, Tella et al., 1998) and has been the focus of long term studies (Hoogland 1995; Brown & Brown 1996; Danchin et al. 1998). One of the principal issues has been whether colonies form due to limited breeding habitat; with animals forced into nesting aggregations at a nest cost, or result from social benefits of clustering (Food finding, reduced predation; Lack 1968; Alexander 1974; Hoogland & Sh...   [tags: Biology ] 976 words
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The Effect of Cholesterol on Membrane Fluidity - The cell plasma membrane, a bilayer structure composed mainly of phospholipids, is characterized by its fluidity. Membrane fluidity, as well as being affected by lipid and protein composition and temperature (Purdy et al. 2005), is regulated by its cholesterol concentration (Harby 2001, McLaurin 2002). Cholesterol is a special type of lipid, known as a steroid, formed by a polar OH headgroup and a single hydrocarbon tail (Wikipedia 2005, Diwan 2005). Like its fellow membrane lipids, cholesterol arranges itself in the same direction; its polar head is lined up with the polar headgroups of the phospholipid molecules (Spurger 2002)....   [tags: Biology] 981 words
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Sperm Selection After Mating - A Bit of Background Information What is pre- and post-copulatory sexual selection. From the word copulatory, meaning to engage in sexual intercourse, pre-copulatory sexual selection refers to the female's choice in selecting a mate before sexual intercourse takes place. Post-copulatory sexual selection occurs within the female's reproductive track, and it describes the biological selection (whether due to sperm or the female's biology) that results in the fertilization her eggs. Why are guppies good subjects for research in this topic....   [tags: Biology] 991 words
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