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sladkih [1.3K]
3 years ago
11

The cell membrane is considered selectively permeable because it only allows certain compounds to travel through freely. The ran

dom movement of molecules down their concentration gradient is called:
Biology
1 answer:
Elodia [21]3 years ago
5 0

Answer:

transport across membranes is called diffusion.

have a fabulous day ❤

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Hope this helps!
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