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What is the importance of photosynthesis
What is the importance of photosynthesis
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Investigate the Effect of Moisture Content on Wheat Grain Seed's Respiration Rate
HYPOTHESIS: There will be a positive correlation between moisture content of wheat grains and their respiration rate. Therefore as the moisture content (independent variable) increases so will the respiration rate (dependent variable).
The rationale behind the hypothesis came from studying photosynthesis in plants. During the light-dependent reactions of photosynthesis, the photolysis of water (H2O) occurs inside photosystem II. The products of photolysis combine with NADP from photosystem I, to form reduced
NADP. This reduced NADP passes to the light-independent reactions of photosynthesis, where it is utilised to make triose phosphate from glycerate 3 phosphate. Without water, photolysis would not occur and therefore the light-dependent and light-independent reactions would not take place at all. Therefore I would predict that the higher moisture content of wheat grain seeds the higher the respiration rate will be, this is because the seeds will be able to utilise more water than a wheat grain seed with low moisture content.
VARIABLES: The independent variable used in this experiment is going to be moisture content, and the dependent variable will be the respiration rate. The other variables; temperature, air pressure and air will be kept at fairly constant levels. Carrying out the experiment inside a fume cupboard will help achieve in keeping these variables to remain constant. However another variable sunlight cannot be controlled during this experiment, and will obviously vary during the experiment. The possibility of using a standard light bulb to keep light levels constant was considered, but was rejected due to safety fears e.g. overheating when the experiment was not being monitored during the time between readings.
BACKGROUNG KNOWLEDGE: Deterioration of stored grain seeds is an important economic problem in agriculture, therefore it is important to find out the most suitable conditions for stored grain seeds to be maintained in. For this experiment wheat grain has been chosen, this is because it is widely cultivated around the world e.g. the
Mediterranean and West Asia, and is used to make flour and pasta. This means wheat is a staple crop throughout the world, and its storage is essential. To store grain effectively it is important to stop germination from occurring at all. Germination is the onset of growth of the embryo in a seed, this usually happens after a period of dormancy. Dormancy is the state where germination will not occur, even if environmental conditions are favourable. This is often an advantage for seeds, as it allows germination to occur in a more favourable season. In the case of wheat seeds they need several weeks or months of prechilling before the will actually germinate.
2. A test tube was then filled with 35ml of yeast and placed in the
Investigation of the Concentration and the Effect of Sucrose on Osmosis in Apple and Potato Tissues
The Effect of Temperature on the Rate of Respiration in Yeast There are two types of respiration in yeast: Aerobic: [IMAGE] Anaerobic: Glucose [IMAGE] Carbon dioxide + ethanol + energy Respiration is controlled by enzymes, which are proteins which speed up one or more biological reactions. Within any cell many chemical reactions are going on at any one time. Yeast has many different types of enzymes that speed up respiration. Prediction I predict that as temperature increases, the rate will also increase, until a certain optimum temperature, after which, the rate will decrease until the rate is zero as respiration has stopped completely. Reason
Even Miranda, Prospero’s daughter, speaks in a way that categorizes Caliban as an uneducated and uncivilized savage. “I pitied thee, Took pains to make thee speak, taught thee each hour […] When thou didst not, savage, know thine own meaning […]” (1.2.356-359) Miranda doesn’t stop there; she continues labeling Caliban, “But thy vile race, though thou didst learn, had that in’t which good natures could not abide to be with; therefore wast though deservedly confined into this rock […]” (1.2.361-364). Exactly this kind of discourse turns Caliban into a subject. If Caliban had not been alone on the island, then Prospero and Miranda would have categorized a whole group of human beings rather than just one.
Another way that the treatment of Caliban by Prospero is similar to the treatment of Native Americans by the Europeans is the adaptation of the language. When the Europeans came to the New World they forced the Native Americans to learn their languages and live according to the European culture. People who had spoken one language all their lives, now had to learn another. They had to live by customs they have never heard of even before. In the Tempest, Prospero does this also. When Prospero came to the island he forced Caliban to learn the language that he spoke. Caliban had to adapt to a style of living that he had never experienced before. Caliban had to change completely to adapt to the life forced upon him.
The Effects of Concentration of Sugar on the Respiration Rate of Yeast Investigating the effect of concentration of sugar on the respiration rate of yeast We did an investigation to find how different concentrations of sugar effect the respiration rate of yeast and which type of concentration works best. Respiration is not breathing in and out; it is the breakdown of glucose to make energy using oxygen. Every living cell in every living organism uses respiration to make energy all the time. Plants respire (as well as photosynthesise) to release energy for growth, active uptake, etc…. They can also respire anaerobically (without oxygen) to produce ethanol and carbon dioxide as by-products.
When I am not using them I will place them away from my experiment and
There are numerous reasons as to why I want to pursue my dream of becoming a radiation therapist. The most important reason is because I love to help other people overcome any problem they are facing. However saving a patient’s life through radiation would be even more amazing. Not to mention, after obtaining the proper education, the salary I receive will be fairly high. Cancer has recently become a part of many families, including my own. I see what a few of my family members are going through and having to struggle with every single day in order to live to see another day, The struggles that they go through have opened my mind in many ways, I wish I was the one that they could come to for a chance of survival, but I can’t, so in order for me to help cancer patients fight for their lives, I will obtain the proper education, licenses, and possess the numerous skills needed by a radiation therapist..
Caliban is grotesque and base. Arguably, his external ugliness reflects a moral hideousness within. Cosmo Corfield, in his scholarly article Why Does Prospero Abjure His “Rough Magic”? explicates this relationship when he associates “Caliban’s bestiality with a propensity to evil.” However, Caliban’s consignment to the realm of evil and vice must be examined more closely. Is Caliban so evil? Is earthiness necessarily linked to immorality? Understanding the character of Caliban is essential to understanding why Prospero is unable to achieve perfection.
An Experiment to Investigate Osmosis in Plant Tissue. Aim: To conduct an investigation to compare the osmotic behavior of the osmotic animal. two types of plant tissue in varying concentrations of sucrose. solution. Then we can find the solution.
Equipment Potato, Borer, Beakers, Measuring Cylinder, Stopclocks, Distilled Water, Electronic Balance, Salt solutions of various concentrations. Diagram [IMAGE] [IMAGE] [IMAGE] When we leave the potato in the solution for the allocated time, water
...e the graph falls more steeply, flattening off at higher concentrations. I would also like to conduct an investigation, in conjunction with this experiment, to calculate the concentration of sap within the vacuole.
One of the reasons for Caliban’s defiance towards Prospero is the fact that he believes the island that they are on to be his, but to have been stolen by Prospero. “This island’s mine by Sycorax my mother, / Which thou tak’st from me'; (1.2.331). Caliban feels as though he has been taken advantage of. When Prospero first comes to the island, he is kind to Caliban, and in return, Caliban shows him the secrets of the island.
The degradation of all but one gender through oppression, dehumanized sex, and the embellishment of a false history to favor the empowered gender constructed within Brantenberg’s Egalia’s Daughters parallels the power of superiority that overrides all within the societies seen in Burdekin’s Swastika Night. The abasement of gender seen within these novels compliments the ideals of racism seen within the Nazi reign. The history created within these two novels is based on a desire to hold power over the other gender and or races involved, the desire of a utopia of ranked sexes. This power corrupted those in power and as such the “superior” gender, depending on the book, forced their counterpart into a subordinate role.
Caliban is subjugated to being Prospero’s servant and when the job is not prepared to Prospero’s standards, Prospero will torture Caliban with the magic he acquired. For instance, when Caliban took too much time coming out of his dwelling Prospero spoke, “Thou shalt have cramps,/Side stitches that shall pen thy breath up” (1.2.327-28). Caliban endures torture continuously throughout his life because of Prospero. He is punished for every little wrongdoing. A harsh treatment that causes Caliban to resent Prospero and hate him passionately (3.2.86-87). Caliban’s hatred ignites within and causes Caliban to become a villain himself. For example when he tries and rape Miranda in order to make more of himself. Due to the gruesome treatment given by Prospero, Caliban changes into a villainous man just as the person he despises. In short, Prospero reveals his villain character when he treats Caliban cruelly; a treatment unjustly