The central part of the thick filament which | vedclass

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Question

(B) In the structure of a sarcomere,the thick filaments (myosin) are located in the center of the $A$-band.During muscle contraction and relaxation,th

Vedclass · Accepted Answer

$H-$zone

Vedclass · Answer

(B) In the structure of a sarcomere,the thick filaments (myosin) are located in the center of the $A$-band.During muscle contraction and relaxation,the thin filaments (actin) extend from the $Z$-lines towards the center of the sarcomere.The central portion of the thick filament that is not overlapped by the thin filaments is known as the $H-$zone (Hensen's zone).Therefore,the correct option is $B$.

The central part of the thick filament which is not overlapped by thin filaments is called as:

Similar Questions

Which one of the following events is thought to be most closely related to the sliding process between the two types of filaments which bring about contraction of the fibril?

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Globular protein which masks active sites on $G$-actin is :-

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$A -$ Calcium ions $(Ca^{2+})$ activate the interaction between myosin and actin filaments.
$R -$ The cross-bridge is formed in the presence of $ATP,$ and the breaking of the cross-bridge also requires the binding of a new $ATP$ molecule.

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