Facilitated Diffusion Differs from Ordinary Diffusion in That

question 21

Multiple Choice

Facilitated diffusion differs from ordinary diffusion in that

• A)facilitated diffusion consumes ATP.
• B)facilitated diffusion moves molecules from an area of lower concentration to an area of higher concentration.
• C)the rate of molecular movement is limited by the number of available carrier molecules.
• D)facilitated diffusion never eliminates the concentration gradient.
• E)the rate of molecular movement is not limited by the number of available carrier molecules.

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