Chapter 7
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Chapter 7
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Question:
Which of the following statements is correct about diffusion?
A) It is very rapid over long distances.
B) It requires an expenditure of energy bythe 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 is an active process in which molecules move from a region of lower concentration to one of higher concentration.
E) It requires integral proteins in the cell membrane.
Answer:
C) It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.