Sodium-potassium pumps move ____ potassium ions into a neuron for every ____ sodium ions that move out of the cell.

A) two; two
B) three; two
C) two; three
D) three; three
E) three; four

Sodium-Potassium Pumps

Membrane proteins that pump sodium ions out of cells and potassium ions into cells, playing a key role in maintaining cell potential.

Potassium Ions

Essential ions for various physiological processes, including nerve transmission and muscle contraction, and maintaining fluid and electrolyte balance.

Sodium Ions

Positively charged atoms of sodium, crucial for nerve impulse transmission and fluid balance in the body.