The contractile proteins in a muscle are A)Actin and Myosin B)Actin and Tropomyosin C)Myosin and Troponin D) Troponin and Tropomyosin
Option A) Muscle fibers or myofibrils are formed of three types of proteins which are (a) contractile, (b) regulatory, and (c) structural. Contractile proteins are the force generators of muscle contraction. The two contractile proteins in myofibrils are Actin which is part of thin filament and Myosin, which is part of the thick filament.
