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Definition
| is the movement of a substancefrom an area of high concentration to an area of lower concentration. |
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Definition
| The diffusion of water into or out of a cell. |
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| A cell will become enlarged when it is placed in a |
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| The sodium-potassium pump usually pumps what in and what out? |
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Definition
| potassium ions into the cell and sodium out. |
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Definition
| movement of molecules that are too large to be moved through the membrane into the cell |
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Definition
| Movement out of a cell of molecules that are too large to be moved across a cell membrane. |
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Definition
| occurs when a cell shrinks due to water loss. |
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Definition
| the amount of water entering the cell will equal the amount of water exiting the cell |
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Definition
| does not require energy from the cell |
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Definition
| difference in the concentration of molecules across a space |
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Definition
| concentration of molecules is equal throughout a space |
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| movement of a substance down the substance’s concentration gradient |
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Definition
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Term
| causes a cell to shrink because of osmosis, movement out of a cell |
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Definition
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Definition
| passive transport using carrier proteins |
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Term
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Definition
| movement of a substance against the substance’s concentration gradient |
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