This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Alkaptonuria an inherited metabolic disorder is due to the deficiency of 
Select and explain. 
A. Homogentisate oxidase, B. Cystathionase, C. Pheylalanine hydroxylase, D. Tyrosine transaminase
A: Homogentisate oxidase
Answer: A: Homogentisate oxidase 
Explanation: None