The operation of the sodium-potassium "pump" moves A) ...

[geoffrey]

The operation of the sodium-potassium "pump" moves
A) sodium and potassium ions into the cell.
B) sodium and potassium ions out of the cell.
C) sodium ions into the cell and potassium ions out of the cell.
D) sodium ions out of the cell and potassium ions into the cell.
E) sodium and potassium ions into the mitochondria.

[j_sun]

I recall doing this last year, it's D, bye bye!