Which of these does require energy? - ProProfs Discuss
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Which of these does require energy?

A. Active Transport
B. Passive Transport
C. Osmosis
D. Gravity

Asked by Heath, Last updated: Jul 22, 2021

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2 Answers

John Adney

John Adney

John Adney

A. Active Transport

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John Smith

John Smith

John Smith
John Smith

Answered Sep 11, 2016

Active Transport
Active transport is the movement of molecules from an area of lower concentration to an area of higher concentration. Because this defies the law of diffusion, it takes the proteins on the membrane energy to transport molecules across.
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