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Chapter one

cell structure and function

QuestionAnswer
Diffusion the main method by which small molecules move across the cell membrane
Osmosis the diffusion of water molecules through a selectively permeable membrane.
selectively permeable some substances can pass through the membrane while others can't
passive transport the movement of materials through a cell membrane without using energy
active transport the movement of materials through a cell membrane using cellular energy.
.
Created by: kketterman
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