John Buchanan Began the Elucidation of the Synthesis of Purine $\beta$

question 45

Multiple Choice

John Buchanan began the elucidation of the synthesis of purine nucleotides by studying _______ excreted by pigeons fed isotopically labeled compounds.

• A)"xanthine"
• B)"hypoxanthine"
• C)"uric acid"
• D)"\(\beta\)-alanine"
• E)"\(\beta\)-aminoisobutyrate"

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