True about troponin:: (A) Has 3 sub units, (B) Troponin c binds to calcium, (C) Troponin I binds actin and tropomyosine, (D) All
Answer is D. Troponin is a complex protein: It has C,I,T sub units C binds to calcium Ref: Guyton and Hall textbook of medical physiology 12th edition, page number 89