NEET Biology question

Sarcomere is a

(A)Functional unit of contractionCorrect
(B)Portion of myofibril present in between two M-lines
(C)Complete bundle of muscles
(D)Portion of myofibril present in between two A-bands

Answer: (A)

Solution

A sarcomere, defined as the portion of a myofibril lying between two successive Z-lines, is the fundamental functional and structural unit responsible

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Question ID VK-117018