Enzyme Action | Instant Homework Help

SQ5- Enzymes Study Questions
1. Define the following:
a. Enzyme
b. Active site
c. Catalyst
d. Activation energy
e. Substrate
2. Describe the function of an enzyme
3. Explain the “lock and key” model of enzyme action.
Factors that affect enzyme action
Conditions Increase enzyme activity Increase enzyme activity
Temperature
Enzyme concentration
pH

4. How does excess heat affect an enzyme?
5. List 5 ways enzymes are used in medicine and industry.
a. __________________________________________
b. __________________________________________
c. __________________________________________
d. __________________________________________
e. __________________________________________
6. How are enzymes named.
7. Iodine tests for what type of substance?
8. What is the color of a positive Iodine test?
9. Name one substance that yields a positive Iodine test.
10. Name one substance that yields a negative Iodine test.
11. What color iodine test shows low amylase activity?
12. Explain why.
13. What color iodine test shows high amylase activity?
14. Explain why.
15. Describe the chemical composition of starch.
16. What is curd?
17. What is whey?
18. What is the role of rennin in cheese making?