Question

The globular head of mysosin has:
I. ATP binding site
II. Actin binding site
III. Myosin binding site
IV. Troponin binding site
V. Calcium binding

• A. I and II
• B. I and III
• C. I, III and IV
• D. I, III, and V

Answer 1

The correct option is A I and II

Myosin is a major component of thick filaments. They are composed of a head, neck, and tail domain. The head contains ATPase and has ATP binding sites and active sites for actin (actin binding sites).