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ch. 3 section 2
A
B
diffusion
the net movement of molecules to where there are many to an area to where there are few to an area
equilibrium
the molecules of a substance are spread throughout a space
osmosis
the diffusion of water through a cell membrane
passive transport
movement of particles across the cell membrane by diffusion
active transport
materials require energy to move through a cell membrane
katherine knezo
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