Biochemistry Phenylbutyrate is used in management of urea cycle disorders. What is its role? A Activates enzymes of urea cycle B Excretion of products of urea cycle C Maintains energy production D Scavenges nitrogen 💡 Explanation Phenylbutyrate is used in management of urea cycle disorders. What is its role? ✓ Correct Answer: D. Scavenges nitrogen