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chapter 1
cell structure and function
Question | Answer |
---|---|
Selectively permeable | some substances can pass through the cell membrane while others can't |
diffusion | molecules move from an area of high concentration to an area of lower concentration. |
osmosis | diffusion of water through a selectively permeable membrane. |
passive transport | movement of dissolved materials through a cell membrane with out cellular energy. |
active transport | the movement of materials through a cell membrane using cellular energy. |