DUMET Medical DUMET Medical Solved Paper-2004

  • question_answer
    DNA and histone proteins are synthesized during the following phase of cell cycle :

    A)  S-phase       

    B)  \[{{G}_{2}}\]-phase

    C)  \[{{G}_{1}}\]-phase      

    D)  None of these

    Correct Answer: A

    Solution :

    The period occupied by a cell between cytokinesis and the beginning of next prophase is known as interphase. The interphase is divided into \[{{G}_{1}}\]-phase, S-phase and \[{{G}_{2}}\]- phase. During \[{{G}_{1}}\]-phase synthesis of protein and RNA required for DNA replication takes place. During S-phase DNA and histones are synthesized and each chromosome replicate into two chromatids. During \[{{G}_{2}}\]- phase synthesis of RNA and protein continue i.e., cell prepare for M-phase.


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