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Chapter 1

cell structure and function

QuestionAnswer
Diffusion the main method by which small molecules move across the cell membrane
osmosis is the diffusion of water molecules through a selectively permeable membrane.
Selectively permeable some substances can pass through the membrane while others cannot
passive transport the movement of dissolved materials through a cell membrane without cellular energy
active transport the movement of materials through a cell membrane using energy
Created by: abegley
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