The Resting Membrane Potential for an Isolated Muscle Cell Is

The resting membrane potential for an isolated muscle cell is -70 mV.  Equilibrium potentials for important ions are given below:E_Na = + 60 mV
E_K = - 80 mV
E_Cl = - 70 mV
E_Ca = + 125 mVWhich of the following most likely forms the resting membrane potential of the cell?

A) High potassium conductance and some sodium conductance
B) High chloride conductance and some sodium conductance
C) High calcium conductance and some chloride conductance
D) High potassium conductance and some chloride conductance
E) High potassium conductance only

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