What is the carbon skeleton for purine and pyrimidine?

1 Answer

The carbon skeleton is one ring and two for pyrimidines and purines.


  1. The nitrogenous bases of the nucleic acids i.e., RNA and DNA have been categorized into purines and pyrimidines.
  2. The purines are adenine and guanine, while pyrimidines are thymine, cytosine, and uracil.
  3. The purines are made up of two carbon ring i.e., carbon skeleton, while the pyrimidines are made up of only one carbon ring.

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