This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Amino Acid Metabolic Disorder, Subject name: Biochemistry
Enzyme deficient in alkaptonuria - 
Select and explain. 
A. Phenylalanine hydroxylase, B. Homogentisate oxidase, C. Tyrosinase, D. None
B: Homogentisate oxidase
Answer: B: Homogentisate oxidase 
Explanation: Ans. is 'b' i.e., Homogentisate oxidaseo Has been explained in previous sessions