At a very low temperature known as absolute zero, there is no random molecular motion. At absolute zero, would diffusion occur?
A. Yes, as long as integral membrane proteins are still intact.
B. Yes, because diffusion rates are temperature-independent.
C. No, because diffusion depends upon the random motion of molecules.
D. Yes, as long as concentration gradients still exist.
E. Yes, because diffusion can use energy in the form of ATP.
Answer: C
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