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chapter 1
cell structure and function
Question | Answer |
---|---|
selectivly permeable | some substances can pass through membrane while others can't |
diffusion | process in which molecules move from an area of higher concentration of a substance is the amount of the substance in a given volume |
osmosis | diffusion of water molecules through selectivly permeable membrane |
passive transport | movement dissolved materials through a cell membrane without using cellular energy |
active transport | movement of materials through a cell membrane using cellular energy |