MUSCLE PHYSIOLOGY

PHYSIOLOGY

SARCOMERE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
what is the name of the protein that is wrapped around the actin to prevent the binding of the myosin heads?
A
troponin
B
tropomyosin
C
actin
D
sarcomere
Explanation: 

Detailed explanation-1: -Tropomyosin is a fibrous protein that binds lengthwise along the groove of actin filaments . In striated muscle, each tropomyosin molecule is bound to troponin, which is a complex of three polypeptides: troponin C (Ca2+-binding), troponin I (inhibitory), and troponin T (tropomyosin-binding).

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