MCQ
Which of the following compound is not a vitamin?
- ANiacin
- BRiboflavin
- CThiamine
- DGuanine
✓
Answer
- Guanine
Explanation:
Guanine is is not a vitamin but it is a nitrogenous base. Niacin is called as vitamin B3, riboflavin is vitamin B2 and thiamine is vitamin B1.
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