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NEET Biology Biomolecules / जैव-अणु Question Bank Nucleotides and Nucleic acid

  • question_answer
    Which one of the following pairs is not correctly matched  [MP PMT 1993]

    A) Recombinant DNA DNA formed by the joining of segments of DNA from different sources

    B) Purine Nitrogenous bases Cytosine, thymine and uracil

    C) ATP The principal energy carrying compound in the cell

    D) r-RNA RNA molecules found in ribosomes

    Correct Answer: B

    Solution :

    Because cytosine, thymine and uracil are single ring compound i.e. pyrimidines while adenine and guanine are purines.


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