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    Biochemistry Study Set 7
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    Exam 26: Synthesis and Degradation of Nucleotides
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    What Is the Limiting Substance in the Biosynthesis of Purines
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What Is the Limiting Substance in the Biosynthesis of Purines

Question 19

Question 19

Multiple Choice

What is the limiting substance in the biosynthesis of purines?


A) ribose-5-phosphate
B) 5-phosphoribosyl-β amine
C) formylglycinamidine ribonucleotide
D) 5-phosphoribosyl-α-pyrophosphate (PRPP)
E) α-D-ribose-5-phosphate

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