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    Question

    The part of the muscle which shortens to create

    contraction is the-
    A Actin Correct Answer Incorrect Answer
    B Epimysium Correct Answer Incorrect Answer
    C Fasciculi Correct Answer Incorrect Answer
    D Myosin Correct Answer Incorrect Answer

    Solution

    Actin filaments, usually in association with myosin, are responsible for many types of cell movements. The Interaction of filamentous actin with myosin forms the basis of muscle contraction During muscle contraction, each sarcomere shortens. • A sarcomere is the contractile unit of muscle cells composed of interacting myosin and actin filaments.

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