What are the similarities between pyrimidine synthesis and purine synthesis? What are the differences? Give an example of a deficiency of each and how it enzymatically affects each pathway.
SIMILARITIES | PURINE SYNTHESIS | PYRIMIDINE SYNTHESIS |
1. SOURCE OF SUGAR | PRPP | PRPP |
2. LOCATION | CYTOPLASM | CYTOPLASM |
3. ENERGY | ENERGY REQUIRED | ENERGY REQUIRED |
DIFFERENCES | ||
1.BIOSYNTHESIS | SYNTHESIZED ON PRPP | SYNTHESIZED AND THEN ADDED TO PRPP |
2.REGULATION | REGULATED BY GTP/ATP | REGULATED BY UTP |
3.PRODUCTION | GENERATES IMP | GENERATES UMP/CMP |
4. PRODUCTS OF DEGRADATION | URIC ACID | AMMONIA, CARBON DIOXIDE |
What are the similarities between pyrimidine synthesis and purine synthesis? What are the differences? Give an...
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