AMU Medical AMU Solved Paper-2015

  • question_answer
    Tick the statement which is not true about nucleic acids?

    A)  The hydrolysis of DNA produces \[\beta \]-D-2- deoxyribose

    B)  The hydrolysis of RNA produces thymine

    C)  The molecular mass of a nucleotide is greater than a nucleoside

    D)  Nucleotides are joined together by phosphodiester linkage to for dinucleotide

    Correct Answer: B

    Solution :

                    The hydrolysis of RNA produces uracil instead of thymine. Nitrogenous base i.e. purine bases are same as that in DNA but pyrimidine bases are cytosine  and uracil (U). (In RNA uracil replaces thymine).


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