1
The coenzyme that participates in transamination reactions is
Pyridoxal phosphate
2
The most important enzyme involved in oxidative deamination is
Glutamate dehydrogenase
3
N-Acetylglutamate is required for the activation of the enzyme
Carbamoyl phosphate synthase I
4
Primary hyperoxaluria is due to a defect in the enzyme
Glycine transaminase
5
The cofactor required for the conversion of phenylalanine to tyrosine is
Tetrahydrobiopterin
6
Parkinson’s disease is linked with decreased synthesis of
Dopamine
7
The metabolite excreted (elevated) in alkaptonuria is
Homogentisate
8
The disease in which very high amount of tryptophan (nearly 60%) is converted to serotonin is
Malignant carcinoid syndrome
9
The mammalian enzyme with the shortest half-life (about 10 minutes) is
Ornithine decarboxylase
10
The branched chain amino acid that is only ketogenic is
Leucine
11
The synthesis of urea occurs in
Liver
12
The amino acid required for the formation of glutathione
Glycine, Cysteine, Glutamate
13
In the synthesis of cysteine, the carbon skeleton is provided by
Serine
14
The amino acids are said to be ketogenic when the carbon skeleton is finally degraded to
Acetyl CoA
15
The amino acid that does not participate in transamination
Lysine