The Equilibrium Potential for an Ion Is

Question

The equilibrium potential for an ion is
A) Given by the chord conductance equation
B) The potential at which the net passive flux of the ion is zero
C) Always negative inside
D) W hen the conductance balances the pump
E) When $\Delta$GATP—ADP + Pi= 0

Accepted Answer

The equilibrium potential for an ion is the membrane potential at which the net passive flux (movement) of that ion across the membrane is zero. This means that the electrical and chemical gradients are balanced, so there is no net movement of the ion across the membrane at this potential.