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The plasma membrane is much more permeable to K+ than to Na+. Why?

a.The Na+-K+ pumps transport more K+ into cells than Na+ out of cells.
b.Ligand-gated cation channels favor a greater influx of Na+ than K+.
c.There are many more voltage-gated K+ channels than voltage-gated Na+ channels.
d.There are many more K+ leak channels than Na+ leak channels in the plasma membrane.

Respuesta :

JasonZhu
D is correct. The rest of the choices are incorrect or irrelevant to the permeability of the cell membrane to K+.

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