Enzymes – Online MCQs Test – Biology MCAT

1. Co-enzymes include:

2. Biological control for the regulation of most of the enzyme is provided by:

3. If the non-protein part is covalently bonded to an enzyme. it is knows as

4. Molecule binds to the active site of an enzyme is:

5. Zinc (Zn⁺²) is an inorganic activator for the enzyme:

6. Regarding nature of enzymes, which one of the following is correct?

7. Decarboxylases and Dehydratases, are enzymes included in class:

8. Blocking of active site of an enzyme temporarily is a kind of:

9. An enzyme can be synthesized by chemical bonding together molecules of

10. Class hdyrolases includes:

11. Which one of the following statements regarding enzyme inhibition is correct?

12. The protein part of enzyme is known as

13. Enzymes function because of their particular shape or conformation. Which level of protein structure is most directly responsible for the shape of a protein?

14. The organic prosthetic groups in holoenzymes are called:

15. Enzyme hydroxylase is included in class:

16. Substances which decrease the activity of enzyme are called:

17. Which statements are correct for all enzymes?

18. Enzymes Oxidases and Peroxidases are included in class:

19. Regarding factors affecting enzyme activity, which of the following statement is correct?

20. At low concentration of substrate the reaction rate is directly proportional to the available.