QUESTIONS OVER BIOLOGICAL AND INORGANIC CATALYSTS LAB
Answer on your own paper, please.
1. What is an enzyme? What are they made of? How do they actually speed up
reactions?
2. What is a substrate? What was the substrate in this lab?
3. In this lab:
A) What was the reactant?
B) What were the products?
C) What were the bubbles that formed?
D) What were the sources of the enzyme catalase?
E) What were some factors that increased the effectiveness of catalase?
F) What were some factors that decreased the effectiveness of catalase?
4. Why are enzymes important? What role do they have in living organisms?
5. What is activation energy?
6. On the enzyme, what is the active site? Explain the importance of shape in
protein molecules.
7. Explain the following enzyme models:
A) Lock and key
B) Induced fit
8. How can you usually tell from the name is a substance is an enzyme?
9. Give 3 examples of enzymes, their substrates, and the reaction they catalyze.
10. What is denaturation?
11. Explain how and why the following affect enzyme effectiveness:
A) Heat
B) pH
C) Salinity