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chapter 1

cell structure and function

QuestionAnswer
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
Created by: zewing
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