Biology, 28.07.2019 05:30, mimithurmond03

Which is a form of active transport? a. proteins create openings on another side of the cell membranes. b. proteins open up channels in the cell membrane (it's not this one! ) c. proteins enter and exit the cell freely. d. proteins push molecules through the cell's membrane.

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Which is a form of active transport? a. proteins create openings on another side of the cell membra...