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

Question

Quizplus · Accepted Answer

The sodium-potassium pump uses one ATP molecule to pump three sodium ions out of the cell and two potassium ions into the cell, maintaining the concentration gradients of these ions across the cell membrane.

In a Single Sodium-Potassium Pump Cycle,ATP Is Used with the Result