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chapter 1
cell structure and function
Question | Answer |
---|---|
Diffusion | the process by which molecules move from one area of higher concentration to an area of lower concentration |
selectively permeable | this means that some substances can pass through the cell membrane while others cannot |
osmosis | the diffusion of water molecules through a selectively permeable cell membrane |
passive transport | the movement of dissolved materials through a cell membrane with out using cellular energy |
active transport | the movement of materials through a cell membrane using cellular energy |