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.Management Sciences
Category: Vitamins
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
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
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
Malonyl aciduria is seen in deficiency of_____________?
A. Pyridoxine
B. B12
C. Folic acid
D. Riboflavin
Pernicious anaemia occurs in___________?
A. Vit B1 deficiency
B. Vit B12 deficiency
C. Vit C deficiency
D. Vit D deficiency
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