Quiz 11/5/09
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Diffusion | The movement of molecules from high concentration to low concentration.
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This term means that only certain molecules can pass across it. | Semi-permeable
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This type of molecule requires no energy and passes through the cell membrane by moving through lipids. | Small molecule
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These molecules pass across the cell membrane by passing through the carrier protein. Requires using the cells energy. | Large Molecules
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Law of Diffusion | Molecules have a tendency to move from areas of high concentration to areas of low concentration until equilibrium is reached.
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Osmosis | The diffusion of water molecules
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Passive Transport | The diffusion on molecules that requires NO ENERGY. Small molecules enter/leave a cell through passive transport.
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Active Transport | The movement of molecules that requires energy from low to high concentration. Large molecules enter/leave a cell through active transport.
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2 types of Passive transport. | Diffusion and Osmosis.
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