Which statement correctly compares passive and active transport?
A. Passive transport moves materials across the cell membrane without the use of energy while active transport moves materials across the cell membrane against the concentration gradient without the use of energy.
B. Passive transport moves materials across the cell membrane with the use of energy while active transport moves materials across the cell membrane against the concentration gradient with the use of energy.
C. Passive transport moves materials across the cell membrane with the use of energy while active transport moves materials across the cell membrane against the concentration gradient without the use of energy.
D. Passive transport moves materials across the cell membrane without the use of energy while active transport moves materials across the cell membrane against the concentration gradient with the use of energy.
Answer: D
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