1. What organisms based on oxygen requirements produce the enzyme SOD?

2. What organisms based on oxygen requirements produce the enzyme SOD?
Obligate aerobe
Facultative anaerobe
Aerotolerant anaerobe

3. What organisms based on oxygen requirements produce the enzyme catalase?

4. What organisms based on oxygen requirements produce the enzyme catalase?
Obligate aerobes
Facultative anaerobes

5. What is the chemical reaction catalyzed by catalase?

6. What is the chemical reaction catalyzed by catalase?
2 H2O H2O + O2

7. What are obligate halophiles?

8. What are obligate halophiles?
Require high salt to grow

9. What are psychrophiles?

10. What are psychrophiles?
Cold-loving organisms
Grow best at optimal temperature of about 15 degrees Celsius

11. What organisms based on temperature grow best on you?

12. What organisms based on temperature grow best on you?
mesophiles

13. What is selective media?

14. What is selective media?
Contains an inhibitor
Selects for the growth of only certain microorganisms

15. What type of media is blood agar?

16. What type of media is blood agar?
Enrichment and differential

17. How do you classify organisms that grow best at very high temperatures?

18. How do you classify organisms that grow best at very high temperatures?
Hyperthermophiles

19. Label the following growth curve

21. What chemical is found in reducing media and what is reducing media used for?

22. What chemical is found in reducing media and what is reducing media used for?
Sodium thioglycolate
It can be used to grow anaerobes, as well as organisms with other oxygen requirements