tand5806 tand5806

04-03-2021
Biology

contestada

Why does sodium and potassium ions need a protein pump to pass through the cell membrane?
A. The ions have a charge and cannot pass directly through the cell membrane.
B. The ions are moving against the concentration gradient.
C. Energy is needed to move the ions.
D. All of the above.

Respuesta :

kimgonzalez0905 kimgonzalez0905

04-03-2021

I believe it is D
I’m not sure
Sorry if it is wrong

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