Multiple Choice
All the following statements concerning the Na+-K+ pump are correct EXCEPT which one?
A) The phosphorylated conformation of the Na+-K+ pump has high affinity for K+ when exposed to the ICF.
B) The Na+-K+ pump has ATPase activity.
C) The Na+-K+ pump establishes Na+ and K+ concentration gradients across the plasma membrane; these gradients are critically important in the ability of nerve and muscle cells to generate electrical impulses essential to their functioning.
D) The Na+-K+ pump helps regulate cell volume by controlling the concentration of solutes inside the cell to minimize osmotic effects that would induce swelling or shrinking of the cell.
Correct Answer:

Verified
Correct Answer:
Verified
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