Membrane potential
a. refers to a separation of charges across the membrane or to a difference in the relative number of + and - charges in the ECF and ICF.
b. is measured in units of millivolts with the sign always designating the charge on the outside.
c. is less at the equilibrium potential for K+ than at resting membrane potential.
d. cannot be measured easily.
e. all of these answers.
A
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