Put the steps of the sodium-potassium pump in the correct order.
1) potassium binds to protein pump
2) sodium binds to protein
3) phosphate group is released from protein pump
4) release of potassium into ICF
5) hydrolysis of ATP
6) expelling of sodium
A) 1, 2, 3, 4, 5, 6
B) 2, 5, 6, 1, 3, 4
C) 3, 4, 2, 6, 5, 1
D) 5, 6, 3, 4, 2, 1
E) 3, 2, 4, 6, 1, 5