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NEET Chemistry NEET PYQ-Biomolecules

  • question_answer
    In DNA, the complimentary bases are [AIPMT (S) 2008]

    A) Adenine and thymine; guanine and cytosine

    B) Adenine and thymine; guanine and uracil

    C) Adenine and guanine, thymine and cytosine

    D) Uracil and adenine; cytosine and guanine

    Correct Answer: A

    Solution :

    [a] Deoxyribbnucleic acid (DNA) has the purine bases adenine and guanine and pyrimidine bases thymine and uracil. According to base pairing rule adenine paired with thymine (A = T) and cytosine paired with guanine .


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