How do sodium-potassium pumps work?
A) Sodium is pumped into the cell and potassium diffuses out.
B) Sodium is pumped out of the cell and potassium diffuses in.
C) Sodium and potassium are both pumped into the cell simultaneously.
D) Sodium and potassium are both pumped out of the cell simultaneously.
E) Sodium only binds to the pump to make it receptive to potassium which then is pumped into the cell.

Question

Quizplus · Accepted Answer

Sodium-potassium pumps work by actively transporting 3 sodium ions out of the cell and 2 potassium ions into the cell against their concentration gradients, using ATP as an energy source. This creates an electrochemical gradient essential for various cellular processes.

How Do Sodium-Potassium Pumps Work