In the Synthesis of Purine Nucleotides

question 38

Multiple Choice

In the synthesis of purine nucleotides,

• A) the ring system is bonded to ribose phosphate only after the complete purine ring is assembled
• B) the six-membered ring of the purine is assembled first, then the five-membered ring
• C) there is no requirement for ATP
• D) the ring system is synthesized onto the ribose phosphate moiety

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