Question
Question: Blacking of urine when exposed to air a metabolic disorder in human beings. This is due to...
Blacking of urine when exposed to air a metabolic disorder in human beings. This is due to
A
Phenylalanine
B
Tyrosine
C
Valine replacing glutamine
D
Homogentistic acid
(5) Glutamine replacing valine
Answer
Homogentistic acid
5 Glutamine replacing valine