Select the true statement.

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Question

(D) The sarcomere is the functional unit of muscle contraction. In the structure of a sarcomere,the $A-$band (anisotropic band) is located in the cent

Vedclass · Accepted Answer

All of these.

Vedclass · Answer

(D) The sarcomere is the functional unit of muscle contraction. In the structure of a sarcomere,the $A-$band (anisotropic band) is located in the central region. The $H-$zone is a lighter central region within the $A-$band where only thick filaments (myosin) are present. The $M-$line is a thin,dark line that runs through the center of the $H-$zone,anchoring the thick filaments. Therefore,all the given statements are correct.

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