Question

The contractile proteins in a muscle are

• A. Actin and Myosin
• B. Actin and Tropomyosin
• C. Myosin and Troponin
• D. Troponin and Tropomyosin

Answer 1

Answer:

A. Actin and Myosin

The myofilament contractile proteins consist of thick filament myosin and thin filament actin proteins.