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olchik [2.2K]
3 years ago
5

The process by which molecules such as oxygen are moved into cells along their concentration gradient directly through the cell

membrane is called
Biology
1 answer:
trapecia [35]3 years ago
4 0
Molecules move down their concentration gradient through the lipid bilayer with no assistance from transport proteins by means of simple diffusion, a form of passive transport. 
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