Term
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Definition
As molecules naturally move across a membrane due to there being a higher concentration of that molecule on one side than of the other (down a concentration gradient) |
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Term
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Definition
Movement of ions in and out of cells through the membrane from a region of lower concentration to a region of higher concentration. This requires energy released during respiration. |
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Term
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Definition
Diffusion of water molecules from a region of higher concentration to a region of lower concentration. |
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Term
Concentration gradient/Potential Gradient |
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Definition
A gradient on which there is a larger concentration of one side of something than on the other. This plays a key role in Diffusion and Osmosis. |
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