Addition of Pyrophosphate to Which of the Following Occurs During

question 15

Multiple Choice

Addition of pyrophosphate to which of the following occurs during the first step of purine biosynthesis?

• A)5-phosphoribosyl phosphate
• B)ribulose-5-phosphate
• C)ribose-5-phosphate
• D)ribose
• E)phosphribosylamine

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