Which muscle band remains unchanged during th | vedclass

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(C) The $A$-band (anisotropic band),which is composed of thick filaments (myosin),remains unchanged in length during skeletal muscle contraction.Durin

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$A$-band

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(C) The $A$-band (anisotropic band),which is composed of thick filaments (myosin),remains unchanged in length during skeletal muscle contraction.During contraction,the thin filaments (actin) slide over the thick filaments,which causes the $I$-band to shorten and the $H$-zone to disappear or narrow,but the $A$-band length remains constant.

Which muscle band remains unchanged during the contraction and relaxation of the skeletal muscle?

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