Ion Channels in Cell Membranes

Multiple Choice

Ion channels in cell membranes

A) Are nonspecific
B) May open in response to a change in potential difference across the membrane
C) May open in response to binding a ligand
D) Both are nonspecific and may open in response to a change in potential difference across the membrane are correct
E) Both may open in response to a change in potential difference across the membrane and may open in response to binding a ligand are correct