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Chemistry of Nucleotides-Multiple-choice questions

Chemistry of Nucleotides, Learning resources, Library, Metabolis of Nucleotides, Multiple choice questions, Multiple-choice questions, Mutiple-choice questions, PowerPoint Presentations, Question Bank, USMLE Style questions, USMLE styled question bank /

1- Which statement best describes Xanthine ? a) It is a direct precursor of Guanine b) It covalently binds to Allopurinol c) It is oxidized to form Uric acid d) It is oxidized to form Hypoxanthine e) It is a substrate rather than a product of the enzyme Xanthine oxidase 2- Methylated heterocyclic bases of

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Structure, sources and functions of ATP

Chemistry of Nucleotides, Learning resources, Lecture notes, Library, Theory Notes /

ATP- Energy Currency of cell The nucleotide coenzyme adenosine triphosphate (ATP) is the most important form of chemical energy in all cells.  All fuel sources of Nature, all foodstuffs of living things, produce ATP, which in turn powers virtually every activity of the cell and organism.  The cleavage of ATP is strongly exergonic. The energy

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