JCECE Medical JCECE Medical Solved Paper-2010

  • question_answer
    Which one of the following statements is incorrect about the properties of DNA?

    A)  DNA is denatured when heated up to \[70{{\,}^{o}}C\]

    B)  DNA shows high absorption of UV radiation at \[\text{260}\,\text{ }\!\!\mu\!\!\text{ m}\]

    C)  DNA directly participates in protein    synthesis

    D)  Pyrimidines of DNA are cytosine and thymine

    Correct Answer: C

    Solution :

     DNA does not take part directly in protein Synthesis. Firstly DNA synthesise mRNA by transcription.   This   mRNA   brings   the information regarding the type of protein to  be synthesised by cell. Therefore, RNA takes part directly in protein synthesis.


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