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.Management Sciences
Category: Vitamins
A mutation that converts an amino acid codon to a stop codon is a_____________?
A. Nonsense mutation
B. Transversion
C. Silent mutation
D. Frame shift mutation
Key enzyme in urea synthesis is____________?
A. Urease
B. Carbamyl synthetase
C. Arginase
D. Ornithine
Deficiency of vitamin A causes the following except_____________?
A. Night blindness
B. Corneal dryness
C. Bitot’s spots
D. Myopia
Fast soluble vitamins are_____________?
A. A, B , D, K
B. A, D. E, K
C. A, B, E, K
D. A, C, E, K
Colloidal osmotic pressure of plasma is by___________?
A. Albumin
B. Fibrinogen
C. Globulin
D. Prothrombin
The class of amino acids that contains only non essential amino acids is_______________?
A. Acidic
B. Basic
C. Aromatic
D. Branched chain
Coenzyme forms are correctly matched except_____________?
A. Biotin – carboxylated biotin
B. Vitamin B – ATP
C. Niacin – NAD+NADP
D. Vitamin B2 – FMN+FAC
Hydroxylation of proline require the following except____________?
A. Fe+2
B. O2
C. Ascorbic acid
D. Succinate
Aromatic ring is present in_____________?
A. Arginine
B. Glycine
C. Phenylalanine
D. Phenylalanine, Glycine
The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfuration reactions_____________?
A. Riboflavin
B. Thiamine
C. Pyridoxine
D. Pantothenic acid
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