Question

The main function of troponin in a

muscular fibre is one of the following:

A. It regulates the opening of the

active centers of actin

B. It promotes the excitation-

contraction coupling

C. It pumps out Ca2 + ions into the

tanks

D. It opens Ca2 + channels of the

tanks​

Answer 1

Explanation:

I think the B option is the correct one.