Which of the following best the equilibrium potential for potassium (in millivolts)? 1 o 2 176 3 -176 4 88 5 -88

The equilibrium potential for potassium (K+) is typically around -88 millivolts. This value is based equation, which calculates the equilibrium potential for an ion based on its concentration gradient across the membrane. The negative sign indicates that potassium ions tend to move into the cell, making the inside of the cell more negative compared to the outside. Therefore, the correct answer is:<br /><br />5. $-88$