Pancyprian Biology Practice Questions - Cyprus Pancyprian Access Examination Biology (ΒΙΟΛΟΓΙΑ, Code 021) Exam

The key difference between active transport and facilitated diffusion across a cell membrane is that active transport:

Requires ATP and can move substances against their concentration gradient Always moves substances down their concentration gradient Does not require any membrane proteins Only transports water molecules

Correct Answer:

Requires ATP and can move substances against their concentration gradient

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