titibad9 titibad9

30-03-2018
Biology

contestada

Which is a form of active transport?

Proteins create openings on another side of the cell membrane.

Proteins open up channels in the cell membrane.

Proteins enter and exit the cell freely.

Proteins push molecules through the cell membrane.

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jesslevy jesslevy

30-03-2018

The first one???????

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Arealbot Arealbot

13-11-2018

Proteins push molecules through the cell membrane.

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