Biochem mixture Flashcards
The energy yield during the conversion of succinate to fumarate is
2 ATP
which vitamin is required for almost all aspects of protein and amino acid metabolism
Vitamin B six
Homocystinuria is due to the deficiency of
Vitamin B 12 vitamin B 6 folic acid
which out of the following is not a substrate specific enzyme?
a)Glucokinase
b)Fructokinase
c)Hexokinase
d)Phosphofructokinase
hexokinase
which of the following supplies, the two carbon units that are added to the elongation of the fatty acid chain
Malonyl CoA
The complete oxidation of or chain fatty acid produces, which of the following
a)Acetyl CoA only
b)acetyl COA and propinoyl COA
c)butyryl CoA
d)Palmitoyl CoA
b) Acetyl CoA and Propinoyl CoA
in which of the following porphyrias cutaneous hypersensitivity is not observed
Acute Intermittent Porphyria
which fatty acid is a precursor of series 1 Eicosanoids
Linolenic acid
Polyamines formed from which of the following amino acids
Ornithine
impaired glucoronyl transfer is activities observed in all of the following except a breastmilk jaundice B physiological jaundice of the newborn C criglar najjar syndrome, D Dubin, Johnson syndrome
Dubin Johnson syndrome
what is the result in hepatic jaundice of Van den berg reaction
biphasic
Which serum enzyme elevation is most diagnostic in obstructive jaundice
ALP alkaline phosphatase
which enzymes are responsible for producing the direct donors of nitrogen into the pathway producing urea
aspartate amino transferase and carbomylphosphate synthetase
Pancreatic lipase converts triacylglycerol into
2 mono acyl glycerol
A metabolite which is common to pathways of cholesterol biosynthesis from acetyl-CoA and cholecalciferol formation from cholesterol is
7 dehydro cholesterol
