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  • 11-10-2021
  • Biology
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facilitated diffusion across a biological membrane requires ________ and moves a substance ________ its concentration gradient.

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amurciano2oyc9js
amurciano2oyc9js amurciano2oyc9js
  • 11-10-2021

Answer:

a channel

across (High->Low concentration)

Explanation:

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