other organelles in place is called the cytoskeleton. It maintains the cell’s structure and appearance. Mitochondrion is a sort of self replicating generator that comes in many shapes and sizes. It is most common of all organelles. The rough endoplasmic reticulum secretes proteins into the cytoplasm. All over the rough ER are ribosomes that enhance its abilities. The smooth ER stores calcium and releases it when a muscle contracts triggering its movement. The golgi apparatus is the organelle that processes
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MOLECULAR FARMING INTRODUCTION Biotechnology in agriculture has two categories: 1. “Improvements” to existing livestock and crops‚ and 2. Development of entirely new uses for both animals and plants (biopharming). “Improvements"‚ include ‘input traits’ such as crops with extra resistance to insect attack‚ improved weed control‚ increase the plants tolerance to cold‚ drought and other environmental factor. Ex "Roundup ready" soya‚ "Starlite" corn‚ or "Frost-tolerant" tomatoes. WHY PLANTS
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things clean and get rids of the waste. 6 Cell wall Kingdom wall The cell wall creates a protection and barrier for the cell and creates its shape ‚ just like the kingdom walls protect the people inside of it from attacks and dangerous people 7 Endoplasmic Reticulum Roads ER is a network of tubes or membranes which transports things such as nutrients‚ just like the roads are a way for people to get around to certain areas 8 Flagellum Horses The flagellum is an extension of the cell that helps with locomotion
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Home | About Us | pmtPHYSICS1. Two vectors of equal magnitude A on addition give a resultant vector of magnitude A. Then the magnitude of their difference vector is (a) (b) 2A(c) zero (d) 2. From the top of a tower 40 m high‚ a ball is projected upwards with a speed of 20 m s1 at an angle 30 with the horizontal. The total time of flight to hit the ground is (g = 10 m s2)(a) 8 s (b) 4 s (c) 6 s (d) 3 s3. To a boy in air‚ a fish in water viewed normally from air appears to be at 0.6 m from the surface
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place. 3. Cell Membrane - The cell membrane encloses the cell contents. Its main function is to control what gets into and out of the cell. 4. Ribosomes - Ribosomes are where protein synthesis takes place. Some are attached to the rough endoplasmic reticulum‚ and some are free in the cytoplasm. 5. Lysosomes - Lysosomes are membrane-bound sacs of enzymes. In a controlled and specific way‚ they breakdown old or unneeded parts of the cell into small organic molecules that can be reused. 6. Mitochondria
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Human Biology Unit 1 Assignment The human body is made up of 100 trillion cells. All cells have the same basic structure (see figure 1) however some cells are specialised to suit a specific purpose. An example of this is the pancreatic beta cells found in the islets of Langerhans. These cells are specialised to synthesise the protein insulin that is involved in the metabolism of glucose in the cells. (Layden‚ 2010) Figure 1 - Picture to show basic structure of a cell. (Farrabee‚ M J. 2007) But
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1. A. Homeostasis is defined as a condition of equilibrium in the body internal environment. For example the internal organs‚ behaviors‚ body temperatures. In homeostasis it can be considered as dynamic as it is always changing. The liver‚ kidneys‚ autonomic nervous system and endocrine system‚ and hypothalamus help maintain homeostasis. For example‚ my brother has imbalance homeostasis due to having seizures. Because his brain is not functioning correctly‚ his homeostasis is not balance. B. Medial
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body. However‚ Joseph’s cells were still unable to produce ATP and the structure of the cells were being compromised to say the least. The lack of ATP also meant that special calcium ATPases had stopped moving calcium from the cytosol into endoplasmic reticulum of his cardiac muscle cells. As the intracellular calcium levels rose
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Name___________________________________________Block_______Date____________ Cell WEBQUEST: An interactive journey into the cell! Answer the following questions. You do not have to answer these questions in complete sentences‚ but your answers should be complete with details and information! Go to: http://askabiologist.asu.edu/research/buildingblocks/cellparts.html 1) How many different kinds of cells are in your body? 200 2) What parts of our bodies are made of dead cells
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being put together. This is a major component in the nucleus and based on the entity it is found in the arrangement of the nucleolus changes. There are two types of ER. Rough Endoplasmic Reticulum and the other is the Smooth Endoplasmic Reticulum. They are different in structure and functions. The Rough Endoplasmic Reticulum (RER) is covered ribosomes (resembling bumps) and flattened sacs (resembling stacks of folded papers) that help in the manufacturing and transport of proteins‚ glycoproteins and
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