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  1. Nitrogenous bases in DNA and RNA?

    2. A.

     Adenine
    B.

     Cytosine
    C.

     Guanine
    D.

     All the above

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    Answer : Option D

    Explanation :

    The five-carbon sugar ring and the content of the nitrogenous base between DNA and RNA are slightly different from each other. Four different types of nitrogenous bases are found in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G). In RNA, the thymine is replaced by uracil (U).

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