As a consequence of the activity of the sodium-potassium transporters,
A) extracellular sodium concentrations are kept low.
B) intracellular sodium concentrations are kept very high.
C) extracellular potassium concentrations are kept very high.
D) intracellular sodium concentrations are kept low.
E) very little energy is required to maintain ionic differences across the membrane.

Question

Quizplus · Accepted Answer

The sodium-potassium pump actively transports sodium out of the cell and potassium into the cell, using ATP for energy. This action keeps the intracellular sodium concentrations low while maintaining higher potassium levels inside the cell.

As a Consequence of the Activity of the Sodium-Potassium Transporters