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Purine is an organic nitrogenous base sparingly soluble in water, that gives rise to a group of biologically important derivatives, notably adenine and guanine, which occur in nucleotides and nucleic acids (DNA and RNA).
- Purine is a pyrimidine derivative.
- Purine is a carbohydrate derivative.
- Purine is a lipid derivative.
- Purine is a nitrogenous base.
Correct answer: Purine is a nitrogenous base.
Solution
Purine is the parent heterocyclic compound that forms biologically important nitrogenous bases such as adenine and guanine. Since it contains nitrogen and functions as a base, the correct classification is a nitrogenous base.
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