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
Answers
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Explanation:
I think the B option is the correct one.
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