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Substances transported by facilitated diffusion
A. must have movements coupled to those of other substances.
B. move passively through specific channels from an area of greater concentration to one of lower concentration.
C. are restricted to only one direction through the membrane.
D. may flow to a region of higher concentration by the expenditure of energy.

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ae44416

Answer:

I think it is B

Explanation:

hope it is right!

misplace

Answer: B

Explanation: the def. of diffusion is moving without the usage of energy. this elimates D, and C and A are incorrect. B is the correct answer as the specific channels are facilitating diffusion across the membrane.

please give this brainliest if this helped! :}

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