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Discuss the role of organelles essay
Discuss the role of organelles essay
Discuss the role of organelles essay
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How do organelles work together to maintain a cell's internal process and functions?
Organelles work together to carry out life processes and functions. Each organelle has a certain responsibility to carry out. Organelles are always working diligently to maintain a cell’s internal process and functions. Firstly, the “brain” of the cell is the nucleus. The nucleus administrates all of the cell activities. And, found within the nucleus there is genetic material called chromosomes. Secondly, the nuclear membrane surrounds the nucleus. Additionally, the mitochondria makes ATP energy from food. The lysosomes has digestive enzymes that help break food down. Furthermore, the ribosomes make protein. Then, the Golgi apparatus process and package the
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Firstly, the cytoskeleton, (made up of microtubules and microfilaments), moves the organelles around giving them shape. The plant cells have cell walls and cytoskeletons. The animal cell does not have cell walls. The cytoskeleton gives the cell a structure and a shape. It also gives the cell locomotion. The cytoskeleton base is attached to the cell membrane, so the cell membrane plays a role of helping a cell maintain its structure. Secondly, the cytoplasm also aides the cell for structure. The cytoplasm surrounds the whole cell. This in turn helps support the cell by keeping all the organelles in place. The cell would be empty and deflated if their was no cytoplasm, so it takes a huge role for maintains the cell's shape and structure. Last but not least, the plant cells! The plant cells has cell walls that maintains its structure. Although, plant cells have cytoskeletons they have cell walls too. The cell wall is a rigid, tough, or a flexible barrier. They support the plant cell from physical stress, so it can maintain its structure. In brief, cells have a ton of ways to sustain structure and …show more content…
The green pigment in the chloroplasts are called chlorophyll and that is what absorbs light for a process called photosynthesis. Photosynthesis is a process to make “plant food” and it takes place in the chloroplasts. The process needs sunlight, water, oxygen and carbon dioxide to create sugar. The food created in photosynthesis helps the plant grow and survive, without it, the plant would not have energy or food to do simple tasks. Furthermore, the plant takes less oxygen and releases more oxygen during photosynthesis. In addition, like I said earlier chloroplasts have chlorophyll in them and the chlorophyll gives the plant the unique green color. To summarize, the chloroplasts are vital to plants because they create food from a process called
They are used to produce glucose which is used as plant food and growing materials (e.g. cellulose).A leaf which is exposed to plenty of light will have sufficient amounts of food and will not need an excessive amount of chlorophyll. This enables the leaf to have a small surface area. It is also necessary for leaves in areas of high light intensity, and thus high temperature, to have small leaves to reduce the amount of transpiration. The heat will cause water to evaporate a lot faster. Leaves in shaded areas will need a large surface area full of chlorophyll to collect as much sun light as possible; essential for survival.
parts, and each part has its own job. The nucleus of a cell is very similar
The most important and largest cellular organelle is the nucleus, which houses most of the eukaryotic cell’s DNA and is surrounded by a double membrane. The nucleus contains most of the cells genetic material. The nucleus is the control center of the cell.
The cell wall is the most vital organelle in the plant cell. The cell wall is so important because it gives support, protects and helps shape the plant cell. (Doc. 2) First, the cell wall is also only in a plant cell. (Doc. 1) A description is of the cell wall is,” rigid, tough, made of cellulose.” (Doc. 2) The cell wall is only in a plant cell. (Doc. 2) This sweet organelle sits right outside of the cell membrane.(OI) Lastly, “the plant cell wall consists of three layers with their own special function.” (OI) That is why the cell wall is needed so much by the plant cell.
The mitochondria produces food for the cell by converting energy the cell needs. The mitochondria and the nucleus are two organelles within a cell that have many of the same similarities. Both organelles are made of two membranes. These layers isolate within the organelle all things considered, yet have protein channels that permit things to go in and out. Both contain DNA material that conveys qualities that encode for proteins. Both have qualities that make ribosomes, the machines that read the guidelines in RNA to make
Cells are able to grow and reproduce. Cells reproduce by splitting and passing on their genes (hereditary information) to Daughter cells. The nucleus always divides before the rest of the cell divides. Therefore each daughter cell contains their own nucleus. The nucleus controls the cells activities through the genetic material DNA. The cells in a body are all the same except the gametes they were all made from one cell, the Zygote. This is the cell that was formed when two gametes from your parents fused.
The cytoskeleton is a highly dynamic intracellular platform constituted by a three-dimensional network of proteins responsible for key cellular roles as structure and shape, cell growth and development, and offering to the cell with "motility" that being the ability of the entire cell to move and for material to be moved within the cell in a regulated fashion (vesicle trafficking)’, (intechopen 2017). The cytoskeleton is made of microtubules, filaments, and fibres - they give the cytoplasm physical support. Michael Kent, (2000) describes the cytoskeleton as the ‘internal framework’, this is because it shapes the cell and provides support to cellular extensions – such as microvilli. In some cells it is used in intracellular transport. Since the shape of the cell is constantly changing, the microtubules will also change, they will readjust and reassemble to fit the needs of the cell.
The mitochondria is an organelle which is generally an oval shape and is found inside the cytoplasm and is again apart of the eukaryotic cells. The main function of the mitochondria is to complete cellular respiration; in simple terms it acts like a digestive system to break down essential nutrients and to convert it into energy. This energy is usually found to in ATP which is a rich molecule taken from the energy stored in food. Furthermore, mitochondria stores calcium for signalling activities; such as heat, growth and death. They have two unique membranes and mitochondria isn’t found in human cells like the red blood cells yet liver and muscle cells are filled entirely with mitochondria.
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. But it also contains highly organized physical structures which are called intracellular organelles. These organelles are important for cellular function. For instance Mitochondria is the one of most important organelle of the cell. Without Mitochondria more than 95% of the cell’s energy, which release from nutrients would cease immediately [Guyton et al. 2007].
Photosynthetic pigments are essential for life because they allow photosynthesis to occur by capturing sunlight which is then used alongside carbon dioxide and water to form organic compounds such as glucose and oxygen. The pigments allow the conversion of light energy to chemical energy which other organisms can benefit from. Oxygen is utilised by other organisms in aerobic respiration. The different pigments present in the chloroplasts allow a wide variety of wavelengths of light to be absorbed for efficient photosynthesis and provide colours to the plant to attract pollinators.
The Animal Cell is a little bit different than the Plant Cell for only a couple of reasons. One is how the Plant Cell has a cell wall and the Animal Cell doesn’t. The cell wall protects and gives structure to the cell. Then there is the Nucleus, which serves as a control center for the cell. Inside the Nucleus there are one or more Nucleoli. They are dense, granular bodies that disappear at the beginning of cell division and reappear at the end. Then you have the Cytoplasm. This is the watery material lying within the cell between the cell membrane and the nucleus. The Cytoplasm also contains organelles, which have specific functions in the cell metabolism. Then there are the Golgi Bodies, which serve as processing, packaging, and storage for the cell. These organelles package and ship things out. Another parts of the cell, a very important one in fact, are the Lysosomes. These organelles are used to break things down and contain enzymes.
Photosynthesis is a process in which plants and other organisms convert the light energy from the sun or any other source into chemical energy that can be released to fuel an organism’s activities. During this reaction, carbon dioxide and water are converted into glucose and oxygen. This process takes place in leaf cells which contain chloroplasts and the reaction requires light energy from the sun, which is absorbed by a green substance called chlorophyll. The plants absorb the water through their roots from the earth and carbon dioxide through their leaves.
The clusters inside the cells look like pairs of threads wound around each other in a helix. The tangles consist of a protein called tau. Tau binds to another protein called tubulin. Tubulin then forms structures called microtubules which run through cells, giving support and shape. Also the microtubules provide pathways for nutrients and other molecules to travel through.
According to scientists, photosynthesis is “the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.” ("pho•to•syn•the•sis,")
Photosynthesis is the process in which living cells from plants and other organisms use sunlight to produce nutrients from carbon dioxide and water, the image below “Diagram of photosynthesis 1,” helps show this process. Photosynthesise generally creates oxygen as a by-product through the use of the green pigment, chlorophyll, found in the plant that helps this reaction occur. “Photosynthesis provides us with most of the oxygen we need in order to breathe. We, in turn, exhale the carbon dioxide needed by plants,” (factmonster,2017). This is able to show us why photosynthesis is so greatly needed to occur through plants in order to give one another essentials needed for continuity of life. “Plants perform photosynthesis because it generates the food and energy they need for growth and cellular respiration,” (photosynthesieeducation, 2016).