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Sci cell environment

TermDefinition
Cell membrane Controls what enters and leaves a cell
Selectively permeable Let’s some substance pass through, but not others
Concentration The amount of a substance in a given space
Diffusion The overall movement of molecules from higher to lower concentration
Osmosis The diffusion of water through a selectively permeable membrane
Passive transport Moves materials through the cell membrane without using cell energy
Active transport Moves materials through the cell membrane using cell energy
Created by: lbivona
 

 



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