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Question: Answered & Verified by Expert
Which one of the following pairs is not correctly matched?
ChemistryBiomoleculesJEE Main
Options:
  • 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
Solution:
2896 Upvotes Verified Answer
The correct answer is: Purine - Nitrogenous bases Cytosine, thymine and uracil
Cytosine, thymine, and uracil are single ring compounds i.e. pyrimidines while adenine and guanine are purines.

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