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Elena L [17]
3 years ago
5

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

Biology
1 answer:
FrozenT [24]3 years ago
7 0

Answer:

In cells, somemolecules can movedown theirconcentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.

Explanation:

please mark as brainlist answers

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