K⁺ Leak Channels Are Found in the Plasma Membrane

Multiple Choice

K⁺ leak channels are found in the plasma membrane.These channels open and close in an unregulated, random fashion.What do they accomplish in a resting cell?

A) They set the K⁺ concentration gradient to zero.
B) They set the membrane potential to zero.
C) They disrupt the resting membrane potential.
D) They keep the electrochemical gradient for K⁺ at zero.