Haryana PMT Haryana PMT Solved Paper-2008

  • question_answer
    Mitotic spindle have main protein

    A)  tubulin                                

    B)  myosin

    C)  tropomyocin                    

    D)  dynein

    Correct Answer: A

    Solution :

    Microtubules   are   unbranched,   hollow, submicroscopic tubules which form the structural material of cilia, flagella, basal bodies, centrioles and spindle apparatus. Microtubules are built up of protofilaments formed    of   two    related   proteins,                                                                                                                          and                                                                                                                       -tubulins.


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