PHYSIOLOGY
GENERAL PHYSIOLOGY
Question
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Match the description:Calcium binds to it
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Tropomyosin
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Troponin
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M line
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Z line
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Explanation:
Detailed explanation-1: -I Introduction. The muscle protein troponin-C (TnC) contains four calcium-binding sites arranged as a pair of two-site domains.
Detailed explanation-2: -Abstract. Troponin (Tn) is the sarcomeric Ca2+ regulator for striated (skeletal and cardiac) muscle contraction. On binding Ca2+ Tn transmits information via structural changes throughout the actin-tropomyosin filaments, activating myosin ATPase activity and muscle contraction.
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