At the normal resting potential of a typical neuron,its sodium-potassium exchange pump transports
A)1 intracellular sodium ion for 2 extracellular potassium ions.
B)2 intracellular sodium ions for 1 extracellular potassium ion.
C)3 intracellular sodium ions for 1 extracellular potassium ion.
D)3 intracellular sodium ions for 2 extracellular potassium ions.
E)3 extracellular sodium ions for 2 intracellular potassium ions.

Question

Quizplus · Accepted Answer

The sodium-potassium pump transports 3 intracellular sodium ions out of the neuron and 2 extracellular potassium ions into the neuron, maintaining the resting potential.

At the Normal Resting Potential of a Typical Neuron,its Sodium-Potassium