Thin filament consists of all except: (A) Actin, (B) Troponin, (C) Myosin, (D) Tropomyosin
Answer is C. The thin filaments are made up of actin, tropomyosin, and troponin. Thick filaments are made up ofmyosin.(REF: GANONG'S REVIEW OF MEDICAL PHYSIOLOGY -23rd EDITION. Page No-95)