Q. What is the Location of troponin in the process of muscle contraction?

A) Attached to myosin filament
B) Attached to tropomyosin
C) Attached to myosin cross bridge
D) Attached to T-tubule
Explanation

The proteins troponin and tropomyosin are closely associated with actin. Troponin is a complex of three polypeptide chains- $T_{n}\ C_{,}\ T_{n}\ I\ and\ Y_{n}T.T_{n}C\$binds to ${Ca}^{2 +}$ $T_{n}$I binds to actin $T_{n}$T binds to tropomyosin.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.