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.Management Sciences
Category: Biochemistry
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
The human plasma lipoprotein containing the highest percentage of triacylglycerol by weight is______________?
A. VLDL
B. Chylomicrons
C. HDL
D. LDL
Deficiency of vitamin A causes the following except_____________?
A. Night blindness
B. Corneal dryness
C. Bitot’s spots
D. Myopia
True about prostaglandins is______________?
A. Short acting
B. Present in many tissues
C. Some require C-AMP for their action
D. All are true
Which of the following is precursor of adrenaline and thyroxine synthesis ?
A. Phenyl alanine
B. Tyrosine
C. Tryptophan
D. None of the above
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
Cholesterol levels in abnormal person should be preferably less than_____________?
A. 200 mg/dl
B. 180 mg/dl
C. 150 mg/dl
D. 120 mg/dl
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