Biochemistry Metabolism of protein and amino acid 6f70e4bd A 16 Yr old presented to the clinic with recurrent joint pains,dark spots in sclera,blackening of urine on standing.What is the most probable diagnosis? A Alkaptonuria B Tyrosinemia C Phenylketonuria D All of the above High-Yield Explanation Reference: Harpers illustrated biochemistry 30th edition