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Chapter 1

Cell Structure and Function

selectively permeable means some substances can pass through the cell membrane and others cannot.
Diffusion the main method by which small molecules move across the cell membrane
Passive Transport the movement of dissolved materials through a cell membrane without using secular energy
Active Transport requires the cell to use secular energy to bring proteins through the cell membrane
Osmosis the diffusion of water molecules through a selectivly permeable membrane
Created by: blittle