Sodium-potassium pumps move
a. potassium out of the cell and sodium into the cell.
b. sodium out of the cell and potassium into the cell.
c. both sodium and potassium into the cell.
d. both sodium and potassium out of the cell.
Question 2
Channels that open when they come in contact with specific chemicals are known as
a. sodium-potassium pumps.
b. ligand-gated channels.
c. voltage-dependent channels.
d. phospholipids pumps.
