celticblue1994 celticblue1994

04-11-2019
Biology

contestada

A/An _______ exists when different concentrations of a substance exist on either side of a membrane.

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princessxriana princessxriana

04-11-2019

Answer:It is known as a concentration gradient which in diffusion will always flow from ares of high concentration to areas of low concentrations

So i believe the answer to this is A.

Explanation:

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