Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category…

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?
  1. Adenine, Thymine - Purines
  2. Thymine, Uracil - Pyrimidines
  3. Uracil, Cytosine - Pyrimidines
  4. Guanine, Adenine - Purines

Solution

Adenine and guanine are purines, whereas, Uracil, Thymine, Cytosine are pyrimidines.

Asked in: NEET 2008 (Mains)

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