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NEET Sample Paper NEET Sample Test Paper-17

  • question_answer
    The functional unit of contractile system in striated muscle is

    A)  Myofibril                    

    B)  Sarcomere     

    C)       Z-band            

    D)       Cross bridges 

    Correct Answer: B

    Solution :

    Myofibril is the filament comprising the muscle fibre. Z band marks the two ends of the sarcomere. Cross bridges are present on the myosin head. Hence, the correct option is (b).


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