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Which Enzyme Catalyzes the Step in Purine Nucleotide Biosynthesis That

Question 53

Multiple Choice

Which enzyme catalyzes the step in purine nucleotide biosynthesis that is the principal site of regulation for the pathway?

A) adenylsuccinate lyase
B) OPM decarboxylase
C) IMP cyclohydrolase
D) glutamine-PRPP amidotransferase

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