Identify purine and pyrimidines from the following figures
Correct answer: D. A and C are purines, and B, D, and E are pyrimidines.
- A. A and B are purines, and C, D, and E are pyrimidines.
- B. D and B are purines, and C, A, and E are pyrimidines
- C. A and E are purines, and C, D, and B are pyrimidines.
- D. A and C are purines, and B, D, and E are pyrimidines.
Explanation
Purines are those bases that are double-ringed. Pyrimidines have a single ring. As we can see, A and C are double-ringed so they are purines. On the other hand, B, E, and D are single rings so they are pyrimidines.
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