In the center of each I-band is an elastic fi | vedclass

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Question

(C) In the structure of a myofibril, the $I$-band (isotropic band) contains actin filaments.
Each $I$-band is bisected by an elastic fiber called the

Vedclass · Accepted Answer

$Z$-line

Vedclass · Answer

(C) In the structure of a myofibril, the $I$-band (isotropic band) contains actin filaments.
Each $I$-band is bisected by an elastic fiber called the $Z$-line (or $Z$-disc).
The $Z$-line serves as the attachment point for the thin actin filaments.
Therefore, the correct option is $C$.

In the center of each $I$-band is an elastic fiber called the $......$ which bisects it.

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