A) ability of a cell membrane to conduct an electrical impulse
B) separation of charges across a biological membrane.
C) ability of a membrane to give rise to vesicles.
D) ability of a cell membrane to transport Na⁺ and K⁺ ions
E) ability of the plasma membrane to form T-tubules.

A) leak channels.
B) voltage-gated channels.
C) ligand-gated channels.
D) stretch-activated channels.
E) phosphorylation-dependent channels.

A) when there is an increase in transmembrane potential.
B) if positive ions such as Ca2⁺ ions leak into the neuron.
C) if there is a decrease in number of intracellular potassium ions.
D) if positive ions such as Ca2⁺ ions leak into the neuron or when there is an increase in transmembrane potential.
E) if there is a decrease in number of intracellular potassium ions or when there is an increase in transmembrane potential .