MCQ
Which one of the following is a base analogue?
- ANitrous acid
- BColchicine
- C5 - bromouracil
- DCaffeine
✓
Answer
- 5 - bromouracil
Explanation:
5 - bromouracil is a brominated derivative of uracil that acts as an antimetabolite or base analog, substituting for thymine in DNA, can induce DNA mutation in the same way as 2-aminopurine. It is used mainly as an experimental mutagen.
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