ReaperWolf2k ReaperWolf2k

18-04-2017
Biology

contestada

What does it mean for a cell membrane to be selectively permeable?

(A) It allows some substances to pass through but blocks the passage of others.
(B) It allows molecules to pass through if they are under a certain size.
(C) It allows only water molecules to pass through.
(D) It blocks the passage of most substances.

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Mahakita00 Mahakita00

18-04-2017

It means...that the cell membrane will allow certain molecules but not others through the cell.

The answer is D
Sorry if I am wrong!

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