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  1. Which chemical is not found in DNA nucleotides?

  2. A.

     Thymine

    B.

     Uracil

    C.

     Adenine

    D.

     All of the above

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    Answer : Option B

    Explanation :

    The only other difference in the nucleotides of DNA and RNA is that one of the four organic bases differs between the two polymers. The bases adenine, guanine, and cytosine are found in both DNA and RNA; thymine is found only in DNA, and uracil is found only in RNA.


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