In a controlled experiment, radiolabeled ATP is injected into an isolated muscle. The muscle is stimulated and allowed to contract for 10 seconds. An

[Kathryn]

#may2020mccqe1

In a controlled experiment, radiolabeled ATP is injected into an isolated muscle. The muscle is stimulated and allowed to contract for 10 seconds. An autoradiogram from a biopsy of the muscle will show radiolabeled ATP bound to
(A) actin
(B) myosin
(C) sarcoplasmic reticulum
(D) tropomyosin
(E) troponin C