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Chapter 7

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.
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Last update by mayur on 03/27/2014
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Chapter 7
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.