Both K+ and Na+ ions have a plus one charge, yet it is their relative concentrations that chiefly determine how negative the cell's membrane potential will be.

Question

Quizplus · Accepted Answer

The membrane potential is primarily determined by the concentration gradients of K+ and Na+ across the cell membrane and their relative permeability, with K+ having a more significant influence due to its higher permeability.

Both K+ and Na+ Ions Have a Plus One Charge