Multiple Choice
Which of the following statements about diffusion is true?
A) It is very rapid over long distances.
B) It requires an expenditure of energy by the cell.
C) It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.
D) It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.
Correct Answer:
Verified
Correct Answer:
Verified
Q34: Use the paragraph and accompanying figure to
Q35: Three lab groups carried out an experiment
Q36: Which of the following statements describes a
Q37: The solutions in the two arms of
Q39: The membranes of winter wheat are able
Q40: In which of the following environments would
Q41: What will happen to a red blood
Q42: The solutions in the two arms of
Q43: Why are lipids and proteins free to
Q67: Which of the following factors would tend