Movement of a molecule against a concentration gradient is
A) simple diffusion.
B) facilitated diffusion.
C) osmosis.
D) active transport.
E) passive transport.

Name: Movement of a molecule against a concentration gradient is A) simple diffusion. B) facilitated diffusion. C) osmosis. D) active transport. E) passive transport.
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Question

Quizplus · Accepted Answer

Active transport is the movement of molecules against a concentration gradient, requiring energy input, unlike passive processes like diffusion or osmosis.

Movement of a Molecule Against a Concentration Gradient Is