Question
What is the end product of catabolism of pyrimidine?
A. NH3
B. CO2 & H2O
C. Both
D. None
Show Answer
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Correct Answer » B Explanation |
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The end products of pyrimidine catabolism are CO2 and H2O.
Pyrimidines are ultimately catabolized (degraded) to CO2, H2O, and urea. Cytosine can be broken down to uracil, which can be further broken down to N-carbamoyl-β-alanine, and then to beta-alanine, CO2, and ammonia by beta-ureidopropionase