Purine Vs Pyrimidine
Easychemistry
Purine bases in DNA are:
Select the correct option:
Solution
Incorrect! Answer:
Adenine and guanine
- Structural Types: Nitrogenous bases are classified based on their heterocyclic ring systems.
- Purines: Have a double-ring structure (a six-membered ring fused to a five-membered ring). These are Adenine (A) and Guanine (G).
- Pyrimidines: Have a single six-membered ring. These are Cytosine (C), Thymine (T), and Uracil (U).
- DNA Bases: A, G, C, T. (Uracil is in RNA).
- Base Pairing: A purine always pairs with a pyrimidine (A-T and G-C).
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About This Question
- Subject
- chemistry
- Chapter
- biomolecules
- Topic
- purine vs pyrimidine
- Difficulty
- Easy
- Year
- 2025
This easy difficulty chemistry question is from the chapter biomolecules, covering the topic of purine vs pyrimidine. It appeared in the 2025 exam. Practice this and similar questions to strengthen your understanding of biomolecules concepts.
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