The Sodium-Potassium Pump

The sodium-potassium pump

A) maintains a positive charge difference across the plasma membrane.
B) allows potassium to diffuse out of the neuron.
C) perturbs the resting potential by allowing ion channels to open.
D) concentrates potassium ions on the inside of the neuron and sodium ions on the outside.
E) concentrates sodium ions on the inside of the neuron and potassium ions on the outside of the neuron.