Question

Actin binding sites are located on:

• A. troponin
• B. tropomyosin
• C. meromyosin
• D. both (b) and (c)

Answer 1

The correct option is C meromyosin

Actin belongs to the family of globular multifunctional protein that forms microfilaments in muscle fibers. The associated proteins along with actin found in thin filaments are troponin and tropomyosin.however the binding sites are located in meromyosin.

So, the correct option is 'meromyosin'.