Find out why a cell that is permeable to multiple ions has a membrane potential that is influenced by the ion with the highest permeability Rishi is a pediatric infectious disease physician and works at khan academy. Explore the neuron resting membrane potential, a stable charge separation across the cell membrane Discover the roles of anions and cations, and how their concentration differences create this potential Uncover how neurons use these electrochemical driving forces to perform their functions. The membrane potential, where an ion has balanced electrical and diffusion forces so that there's no net movement of that ion across the membrane anymore, is called the equilibrium potential.
They are called equilibrium potentials, this is the membrane potential of a cell if there is no net (overall) flow of a particular ion 123 mv is the equilibrium potential of calcium (ca++)
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