Question

multiple choice question at resting membrane potential, potassium ion (k⁺) concentration inside the cell is ______ than outside the cell. higher lower

Explanation:

At resting membrane potential, there is a higher concentration of potassium ions ($K^+$) inside the cell due to the action of the sodium - potassium pump and the relative permeability of the cell membrane to potassium.

Answer:

A. higher