Term
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Definition
| the act of transporting materials across the cell membrane with out any energy (ATP) input from the cell |
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Term
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Definition
| the movement of molecules from an area of high concentration to an area of low concentration |
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Term
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Definition
| the difference in concentration of molecules across a distance |
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Term
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Definition
| the state at which the concentration of molecules is the same throughout the space the molecules occupy, random movement of molecules still occurs |
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Term
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Definition
| diffusion across a semipermeable membrane |
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Term
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Definition
| the process by which water molecules diffuse from areas of low concentration to areas of high concentration |
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Term
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Definition
| describes a substance that is less concentrated; has more materials in it |
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Term
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Definition
| describes a substance that is more concentrated: has less materials in it |
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