If hydrolysis of ATP is temporarily blocked, what will be the primary effect on the sodium-potassium pump? A) It will release ADP. B) It will allow K⁺ to diffuse into the cell. C) It will not be phosphorylated. D) It will allow Na⁺ to exit the cell, but not K⁺. E) Its activity will be maintained by secondary active transport.

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Quizplus · Accepted Answer

The sodium-potassium pump requires the hydrolysis of ATP to function and maintain the concentration gradient of sodium and potassium ions. If hydrolysis of ATP is blocked, the pump cannot be phosphorylated and therefore cannot function properly.

If Hydrolysis of ATP Is Temporarily Blocked, What Will Be