AMU Medical AMU Solved Paper-1996

  • question_answer
    During the mitosis of human He-La cells the longest-period is

    A)  gap - 1 - phase  

    B)  S - phase

    C)  gap - 2 - phase  

    D)  M - phase.

    Correct Answer: A

    Solution :

    : HeLa is a strain of cancer cells that have been continuously cultured from a patients (Henrieta) carcinoma of the cervix. The cultured cells are used to study the growth of other cells including viruses. The G, gap phase is the most variable in length. It is the longest being upto 12 hours. Duration of cell cycle in HeLa cells are\[-{{G}_{1}}\](8.2 hr); S (6.2 hr);\[-{{G}_{2}}\](4.6 hr); M (0.6 hr).


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