試題詳解

21. The -ATPase plays a central role in membrane transport. Which of the following statements is correct?

(1) The -ATPase is an electrogenic transporter.

(2) Inhibition of the -ATPase promotes -glucose symport. 

(3) The -ATPase establishes ion gradients that drive secondary active transport.
(A) (1) only.
(B) (2) only.
(C) (1) and (3).
(D) (2) and (3).
(E) All of the above are correct.