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.Management Sciences
Category: Biochemistry
The main site of fluoride inhibition in the Embden Meyerhof pathway of acid____________?
A. ATPase
B. Enolase
C. Pyruvate Kinase
D. Fructose 6 phosphatase
Vitamin B12 acts as a coenzyme to which one of the following enzyme ?
A. Isocitrate dehydrogenase
B. Homocyteine methyl transferase
C. Glycogen synthase
D. G-6-P dehydrogenase
FSH, LH, TSH acts through_________________?
A. Cyclic AMP
B. Cyclic GMP
C. Adenosine cyclate
D. Calcium release
The antibacterial substance present in tears which acts by splitting cell wall components is____________?
A. Penicillin
B. Lysozyme
C. Betalysine
D. Lactoperoxidase
Coenzyme responsible for single carbon transfer is______________?
A. Acetyl co enzyme A
B. Biotin
C. THF4
D. Pyridoxine
Which is the by product of the urea cycle_______________?
A. Aspartate
B. Succinate
C. Ornithine
D. Fumarate
The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?
A. Lecithin cholesterol acyl transferase (LCAT)
B. Pyrophospho mevalonate decarboxylase
C. HMG CoA reductase
D. Phospho mevalonate kinase
In TCA cycle substrate level phosphorylation occurs at____________?
A. Succinate dehydrogenase
B. Malonate reduction
C. Thiokinase
D. None of the above
Biological activity of tocopherols has been attributed, in part to their actions as_____________?
A. Antioxidant
B. Anticoagulants
C. Provitamin
D. Antidotes for selenium poisoning
Enzymes concerned with the citric acid cycle are found in______________?
A. Nucleus
B. Mitochondria
C. Ribosomes
D. Non-particulate cytoplasm
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