In a single sodium-potassium pump cycle,ATP is used up with the result that
A) 3 sodium ions leave and 2 potassium ions enter.
B) 1 sodium ion enters and 1 potassium ion leaves.
C) 1 sodium ion leaves and 1 potassium ion enters.
D) 3 sodium ions enter and 2 potassium ions leave.
E) sodium and potassium ions enter and water leaves.
Correct Answer:
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