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Kazeer [188]
4 years ago
14

Which of the pathways for nucleotide biosynthesis builds the base ring on a PRPP molecule?

Biology
1 answer:
Pepsi [2]4 years ago
8 0

Answer:

A) purine

Explanation:

There are two ways for the synthesis of purines and pyrimidines:

  • de novo synthesis-from basic simple units
  • "recycling" synthesis-reuse of metabolites

Purines are synthesized directly on ribose sugar, in segments.

Pyrimidines are attached to the ribose after the synthesis of the base.

5-Phosphoribosyl-1-pyrophosphate (PRPP). is used for the synthesis of purine (ribose 5-phosphate reacts with ATP to form  ribonucleotide).

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