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chapter 1

Cell structure and functions

QuestionAnswer
Selectively Permeable Some substances can pass through the membrane while others cannot.
Diffusion The process by which molecules move from an area of higher concentration to lower.
Osmosis The diffusion of water through a selectively permeable membrane.
Passive transport The movement of dissolved materials through a cell membrane without using cellular energy.
Active transport the movement of materials through a cell membrane using cellular energy.
Created by: eburch
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