The resting membrane potential results from A) uneven distribution of ions across the cell membrane only. B) differences in membrane permeability to Na⁺ and K⁺ only. C) activity of the sodium/potassium pump only. D) uneven distribution of ions across the cell membrane and differences in membrane permeability to Na⁺ and K⁺. E) None of the answers are correct.

Question

Quizplus · Accepted Answer

The resting membrane potential results from both the uneven distribution of ions across the cell membrane and differences in membrane permeability to Na+ and K+. The uneven distribution of ions results in a concentration gradient that creates an electrochemical gradient across the membrane. The permeability of the membrane to Na+ and K+ allows for these ions to move across the membrane through ion channels, creating a resting potential. The sodium/potassium pump contributes to maintaining this gradient, but alone does not result in the resting membrane potential.

The Resting Membrane Potential Results from