Medical MCQs

5099 MCQs  (Page 38 of 510)

Urea is produced by the enzyme_____________?
A. Urease
B. Uricase
C. Arginase
D. Glutaminase
At PH 7 the binding of 2,3 DPG to hemoglobin occurs at which site ?
A. Sulphydryl group
B. Carboxy terminal
C. Amino terminal
D. Histidine
Precursor of melanin is________________?
A. Phenylalanine
B. Tryptophan
C. Tyrosine
D. Methionine
One of the following is not an amino acid______________?
A. Glycine
B. Hydroxy proline
C. Glutamic acid
D. Choline
Alkaptonuria, an inherited metabolic disorder of L0tyrosine metabolism is due to lack of_____________?
A. Parahydroxy phenyl pyruvate hydroxylase
B. Tyrosine transaminase
C. Homogentisate oxidase
D. Tyrosine oxidase
Aromatic ring is present in_____________?
A. Arginine
B. Glycine
C. Phenylalanine
D. Phenylalanine, glycine
Following is non-essential amino acid_______________?
A. Phenylalanine
B. Proline
C. Tryptophan
D. Threonine