Active transport is like facilitated diffusion in that both processes

A) move molecules down their concentration gradient.
B) require the presence of proteins in the plasma membrane that move molecules from one side of the plasma membrane to the other.
C) require the conversion of ADP to ATP.
D) do not require a source of energy.
E) facilitate the movement of water through the phospholipids of the plasma membrane.


B

Biology & Microbiology

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