M.Sc. Bio-Chemistry (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

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11.

Which one of following enzyme is defective in Alkaptonuria, an inheritable disease in Phenylalnine catabolizing pathway.

A: Phenylalanine decarboxylase
B: Phenylalanine hydroxylase
C: Homogentistate dioxygenase
D: Arginase

The answer is: C