The Cell in Its Environment
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5 terms
Terms | Definitions |
|---|---|
 Selectively Permeable | Some substances can pass through it while others cannot. |
| Diffusion | The process by which molecules move from an area of higher concentration to an area of lower concentration. |
| Osmosis | The diffusion of water molecules through a selectively permeable membrane. |
| Passive Transport | The movement of materials through a cell membrane without using energy. |
| Active Transport | The movement of materials through a cell membrane using energy. |
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