[IB Biology at GHS: Reviews of Cell Biology]

2. Which of the following statements are true of active transport?

A) Energy is needed to move molecules across the membrane.

B) Molecules move from low to high concentration.

C) Energy is not needed to move molecules across the membrane.

D) Molecules move from high to low concentration.

E) Both answers A & B are true for passive transport.

F) Both answers C & D are true for passive transport.

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