Enzymes Questions Set 1

1. In reversible non-competitive enzyme
activity inhibition

2. A sigmoidal plot of substrate concentration ([S]) verses reaction velocity (V) may
indicate

3. In reversible non-competitive enzyme
activity inhibition

4. Gaucher’s disease is due to the deficiency
of the enzyme:

5. The enzyme which can add water to a carbon-carbon double bond or remove
water to create a double bond without breaking the bond is

6. Neimann-Pick disease is due to the deficiency of the enzyme:

7. Example of an extracellular enzyme is

8. Enzymes, which are produced in inactive
form in the living cells, are called

9. Farber’s disease is due to the deficiency
of the enzyme:

10. An inducer is absent in the type of enzyme:

11. The compound which has the lowest density is

12. An example of lyases is

13. The kinetic effect of purely competitive
inhibitor of an enzyme

14. A Holoenzyme is

15. Fabry’s disease is due to the deficiency of
the enzyme:

16. Non steroidal anti inflammatory drugs, such as aspirin act by inhibiting the
activity of the enzyme:

17. A synthetic nucleotide analogue, used in organ transplantation as a suppressor of
immunologic rejection of grafts is

18. Fischer’s ‘lock and key’ model of the enzyme action implies that

19. An example of ligases is

20. Krabbe’s disease is due to the deficiency
of the enzyme:

21. Activation or inactivation of certain key regulatory enzymes is accomplished by
covalent modification of the amino acid:

22. From the L ineweaver-Burk p lot of Michaelis-Menten equation, Km and Vmax can be determined

when V is the reaction velocity at substrate concentration S,the X-axis experimental data are expressed as

23. A demonstrable inducer is absent in

24. From arachidonate, synthesis of prostaglandins is catalysed by

25. The Km of the enzyme giving the kinetic
data as below is