NEET UG CHEMISTRY MCQ: BIOMOLECULES

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Purines possess nitrogen at

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Correct option: C

1, 3, 7 and 9 position

Option C (1, 3, 7 and 9 position) is correct because purines, which include adenine and guanine, have nitrogen atoms at the 1, 3, 7, and 9 positions in their ring structure.

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