A sarcomere is defined as the segment between | vedclass

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Question

(B) sarcomere is the functional unit of a striated muscle fiber. It is defined as the portion of a myofibril located between two successive $Z$-lines

Vedclass · Accepted Answer

Two $Z$-lines

Vedclass · Answer

(B) sarcomere is the functional unit of a striated muscle fiber. It is defined as the portion of a myofibril located between two successive $Z$-lines (or $Z$-discs). These $Z$-lines are dense protein structures that anchor the actin filaments. Therefore,the correct option is $B$.

$A$ sarcomere is defined as the segment between:

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