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.
Correct Answer:

Verified
Correct Answer:
Verified
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