Enzymes – Online MCQs Test – Biology MCAT

1. The protein part of enzyme is known as

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

3. Enzymes can be denatured at:

4. Enzymes Oxidases and Peroxidases are included in class:

5. The pesticides DDT and parathion are inhibitors of key enzymes in the

6. All of the following are correct about enzymes EXCEPT

7. The inorganic ions which act as a prosthetic group in holoenzymes are called:

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

9. Enzyme hydroxylase is included in class:

10. Synthetases are enzymes included in class:

11. Who discovered that certain molecules of ribonucleic acid also function as enzymes?

12. If enzyme concentration is low than substrate, pH and temperature values are equal to requirement then which of the following will increase rate of reaction.

13. The prosthetic group (metallic cofactor) of various respiratory enzymes is

14. When an enzyme-induced product inhibits enzymatic activity, inhibition is called

15. Enzymes can:

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

17. In non-competitive inhibition, the binding site other than the active site is called:

18. The important role play by enzymes during reaction is

19. Enzyme having different molecular arrangement but similar functions is

20. Enzyme, Glycosidases is included in class: