Most Cells Have a Negative Plasma Membrane Potential (Vm)because They

Most cells have a negative plasma membrane potential (Vm) because they have

A) equal concentrations of ions on both sides of the membrane.
B) an excess of negatively charged solute molecules inside the cell.
C) an excess of positively charged solute molecules inside the cell.
D) an excess of negatively charged solute molecules outside the cell.
E) an excess of water molecules inside the cell.