Multiple Choice
Which of the following statements is correct about diffusion?
A) It may require a transport protein.
B) It requires an expenditure of energy by the cell.
C) It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.
D) It involves movement of molecules down a concentration gradient and may require a transport protein.
E) It is an active process in which molecules move from a region of lower concentration to one of higher concentration.
Correct Answer:
Verified
Correct Answer:
Verified
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