Zoology - Locomotion and Movement Question with Solution | TestHub

A - Troponin B - Tropomyosin $C-F$-actin Two filaments of protein tropomyosin run close to F-actins throughout its length. A complex protein troponin is distributed at regular intervals on the tropomyosin. In the resting state, a subunit of troponin masks the active binding sites for myosin on the actin filaments.