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Sarcomere is the functional unit of cont...

Sarcomere is the functional unit of contraction in a muscle fibre. Indentify the portion of myofibril that constitutes a sarcomere

A

Protion of myofibril between two successive Z-lines

B

Protion of myofibril between two successive I-band

C

Protion of myofibril between two successive A-bands

D

Protion of myofibril between two successive M-lines.

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The correct Answer is:
A
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