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.Management Sciences
Category: Biochemistry
Urea is produced by the enzyme_____________?
A. Urease
B. Uricase
C. Arginase
D. Glutaminase
The amino acid from which niacin synthesized is_______________?
A. Tyrosine
B. Tryptophan
C. Threonine
D. Histidine
The amino acid, which is used is the estimation of collagen is_____________?
A. Hydroxyproline
B. Proline
C. Lysine
D. Glycine
Which of the following is correct about breakdown of hemoglobin (Hb)_____________?
A. Hb→Heme→bilirubin→Urobilinogen
B. Heme→Hb→Biliverdin→Urobilinogen
C. Hb→Heme→Bilverdin→Uro bilinogen
D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin
The activity of the following enzyme is affected by biotin deficiency____________?
A. Transketolase
B. Dehydrogenase
C. Oxidase
D. Carboxylase
Vitamin associated with one carbon transfer is__________?
A. Niacin
B. Thiamine
C. Ascorbic acid
D. Folic acid
Vitamin K dependent clotting factors are______________?
A. II
B. VII
C. IX
D. X
E. All of the above
Avidin influences which of the following vitamins ?
A. Biotin
B. Niacin
C. Thiamine
D. Phylloquinone
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