bn:00065293n
Noun Concept
Categories: Purinas, Bases nitrogenadas
PT
purina  Purinas  Base purínica  Base púrica  Bases púricas
PT
As purinas são bases nitrogenadas, compostos orgânicos heterocíclicos. Wikipedia
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PT
As purinas são bases nitrogenadas, compostos orgânicos heterocíclicos. Wikipedia
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