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NEETBiologyMolecular Basis of InheritanceClass 12

What is the difference between purines and pyrimidines?

Purines (adenine, guanine) are double-ring bases; pyrimidines (cytosine, thymine, uracil) are single-ring bases.

Purines (adenine, guanine) are double-ring bases; pyrimidines (cytosine, thymine, uracil) are single-ring bases. A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.

Key point

purines vs pyrimidines

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