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Biochemistry Practice Test Questions: Enzymes
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Biochemistry Practice Test Questions: Enzymes
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25 Questions

1. The CK isoenzymes present in cardiac muscle is
2. Coenzyme A contains a vitamin which is
3. Conversion of fatty acyl-CoA to an acyl-CoA derivative having 2 more carbon atoms involves as acetyl donar:
4. The enzyme deficient in Krabbe’s disease is
5. The normal GPT activity ranges from
6. In erythrocytes, 2, 3-biphosphoglycerate is derived from the intermediate:
7. The compound which has the lowest density is
8. Elevated blood argininosuccinate level is found in
9. The principal rate limiting step in the biosynthesis of bile acids is at the
10. Rapoport-Luebering cycle is located in
11. The hexose monophosphate pathway includes the enzyme:
12. Hypercholesterolemia is found in
13. Fischer’s ‘lock and key’ model of the enzyme action implies that
14. In non competitive enzyme activity inhibition, inhibitor
15. In Hurler’s syndrome, urine shows the presence of
16. The coenzyme involved in dehydrogenation of 3-hydroxy acyl-CoA is
17. Biotin is a coenzyme for
18. The enzyme deficient in Sandhoff’s disease is
19. If curve X in the graph (below) represents no inhibition for the reaction of the enzyme with its substrates, the curve representing the competitive inhibition, of the same reaction is
20. In citric acid cycle, GDP is phosphorylated by
21. The best known cause of galactosemia is the deficiency of
22. Ketosis reflects
23. Her’s disease is characterized by deficiency of
24. Defective enzyme in Hunter’s syndrome is
25. If the substrate concentration is much below the km of the enzyme, the velocity of the reaction is

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