Which of the following correctly accounts for the regulation of carbamoyl phosphate synthetase?
Understand the Problem
The question is asking which option correctly explains the regulation of carbamoyl phosphate synthetase, including whether it is activated or inhibited by N-acetylglutamate and the type of modification involved.
Answer
D. Activated by N-acetylglutamate, activated by phosphorylation of a tyrosine residue
The final answer is D. Activated by N-acetylglutamate, activated by phosphorylation of a tyrosine residue
Answer for screen readers
The final answer is D. Activated by N-acetylglutamate, activated by phosphorylation of a tyrosine residue
More Information
Carbamoyl phosphate synthetase I is regulated by N-acetylglutamate, which is an essential activator of the enzyme.
Tips
A common mistake might be confusing inhibition and activation roles of N-acetylglutamate.
Sources
- Carbamoyl Phosphate Synthetase (CPS) Deficiency - eMedicine - emedicine.medscape.com
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