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chapter 1
cell structure and function
Question | Answer |
---|---|
selectively permeable | some substances can pass through the membrane while others can't |
diffusion | the process where molecules move from an area of higher concentration to an area of lower concentration |
osmosis | the diffusion of water particles through a selectively permeable membrane |
passive transport | the movement of dissolved materials through a cell membrane without using cellular energy |
active transport | the movement of materials through a cell membrane using cellular energy |