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oksano4ka [1.4K]
3 years ago
10

Active transport move particles in and out of the cell _________. A. against the concentration gradient B. with the concentratio

n gradient C. only at concentration equilibrium D. at any time, concentration doesn’t affect active transport
Biology
1 answer:
Ivan3 years ago
8 0
A.

By using energy in the form of ATP as gained from metabolic reactions, particles can be transported from a region of lower concentration to higher concentration through special carrier proteins.
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