50 points! why do pumps require energy?
1)pumps move substances from areas of high concentra...
Mathematics, 24.09.2019 19:00 shafferakr6
50 points! why do pumps require energy?
1)pumps move substances from areas of high concentration to areas of low concentration.
2)pumps move substances from areas of low concentration to areas of high concentration.
3)pumps always move substances out of the cell.
4)pumps always move substances into the cell.
Answers: 2
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