Which of the following occurs during a single cycle of the sodium-potassium exchange pump?

Two K+ ions are transported out of the cell.
Three Na+ ions are transported out of the cell.
Three K+ ions are transported into the cell.
Three Na+ ions are transported into the cell.
a. Two K+ ions are transported out of the cell.
b. Three Na+ ions are transported out of the cell.
c. Three K+ ions are transported into the cell.
d. Three Na+ ions are transported into the cell.