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NEET Biology Locomotion and Movement Question Bank Self Evaluation Test - Locomotion and Movement

  • question_answer
    Which one of the following shortens when a muscle fibre- contracts?

    A) Thick filament  

    B)                    Sarcomere

    C) Myosin molecule

    D)                    thin filament

    Correct Answer: B

    Solution :

    [b] The sarcomere is the functional unit of muscle. As actin myofilaments slide over myosin, the sarcomere shortens, but not the individual components that make up the sarcomere.


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