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.Management Sciences
Category: Biochemistry
In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is_____________?
A. Pantothenic acid
B. Nicotinic acid
C. Ascorbic acid
D. Folic acid
Which of the following is present in the plasma but absent in the serum ?
A. Albumin
B. Globulin
C. Lecithin
D. Firbinogen
The conversion of glucose 6-P to fructose 6-P is an example of which of the following reactions___________?
A. Phosphate transfer
B. Isomerisation
C. Dehydration
D. Aldol cleavage
Collagen is rich in_____________?
A. Glutamate and glycine
B. Alanine and glycine
C. Proline and glycine
D. Glutamate and proline
The uptake of glucose by the liver increase following a carbohydrate meal because____________?
A. There is increase in phosphorylation of glucose by glucokinase
B. GLUT-2 stimulated by insulin
C. Glucokinase has a low Km for glucose
D. Hexokinase in liver has a high affinity for glucose
Mutations are due to changes in_________________?
A. DNA nucleotide sequence
B. RNA nucleotide sequence
C. Amino acid sequence of ribonuclease
D. Cell walls
Which metabolite of TCA cycle is used in detoxification of ammonia in brain_____________?
A. Alpha ketoglutarate
B. Ornithine
C. Oxalocetate
D. Glycine
Which of the following fatty acids are not syntehsised in human body_____________?
A. Oleic, linoleic and linolenic acid
B. Arachidonic, linolenic and linoleic acid
C. Palmitic Oleic and arachidonic
D. Linoleic, arachidonic and stearic acid
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