The Potential Across a Cell Membrane Has Changed Drastically, from -90

Multiple Choice

The potential across a cell membrane has changed drastically, from -90 mV to +30 mV. In other words,

A) there is a positive charge on the inside of the cell, relative to the outside.
B) there is a negative charge on the inside of the cell, relative to the outside.
C) the resting membrane potential has been established.
D) there is no relative charge difference between the inside and the outside of the cell.