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mina [271]
3 years ago
12

The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of

Biology
1 answer:
ioda3 years ago
4 0

Answer:

Facilitated Diffusion

Explanation:

Some molecules can move down their concentration gradients by crossing to the lipid portion of the membrane directly,while others must pass through membrane protein s in a process called Facilitated Diffusion

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