Sarhyna Sarhyna

22-05-2019
Biology

contestada

Active transport occurs when molecules are moved across a semi-permeable membrane and
a concentration gradient.

A)down
B)up

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21dulibarri 21dulibarri

22-05-2019

the answer would be B (up)

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Pugwatch Pugwatch

22-05-2019

I think the answer is B UP

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