What are the uses of sodium?

The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. This statemen?

• The sodium-potassium pump uses ATP to move sodium and potassium ions across the plasma membrane. This statement describes _____. A. secondary active transport B. facilitated diffusion C. exocytosis D. simple diffusion E. primary active transport I know these use Na+/K+ (3 to 2), so it has to be active transport?

• Answer:

  E. primary active transport