Biology, 24.02.2020 22:35 milamdaniela
Why does active transport require energy to move molecules of a substance across a cell membrane?
OA
The cell membrane is very thick.
Lack of the substance makes the cell weak.
ООО
The substance moves from high to low concentration, with the concentration gradient.
OD
The substance moves from low to high concentration, against the concentration gradient.
Answers: 2
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Why does active transport require energy to move molecules of a substance across a cell membrane?
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