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Chapter 1

Cell Structure and Function

QuestionAnswer
Diffusion The main method in which small molecules move across a cell membrane.
Cells The basic unit of structure in living things.
selectively permeale some substances can pass through something while others can not.
osmosis the diffusion of water molecules 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: tteale
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