Question

explain the function of troponin and meromyosin.

Answer 1

Answer:

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.

Meromyosin is a part of myosin (mero meaning "part of"). HMMS-1 has an actin binding site and ATP binding site (myosin ATPase) that determines the rate of muscle contraction when muscle is stretched. Light and heavy meromyosin are subunits of myosin filaments (thick myofilaments).

Explanation:

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Answer 2

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.

Meromyosin is a part of myosin (mero meaning "part of"). HMMS-1 has an actin-binding site and ATP binding site (myosin ATPase) that determines the rate of muscle contraction when the muscle is stretched. Light and heavy meromyosin are subunits of myosin filaments (thick myofilaments).