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3 years ago

Active transport requires energy because it usually involves the movement of

Biology

1 answer:

hram777 [196]3 years ago

6 0

Answer:

Explanation:

When a substance moves from low to high concentration it is moving against its concentration gradient, which requires more energy.

A. It depends on where it is moving, not the substance

OB. This is describing diffusion

OC. Does not require energy, it is passive transport through a semi-permeable membrane

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