Exam 1 Potential Questions

1. Provide and explain three of the five factors that make bacteria the dominant form of life on earth?
Hoa Le

2.What are the four components in Kock’s Postulates?
Hoa Le

3. Explain how Paseur disproved spontaneous generation.
Jamie Maguire

4. What are the four main types of bacteria
Jamie Maguire

5. What are the steps that you follow when making a gram stain slide/ streak plate?
Cody Kruckenberg

6. Why are bacteria, or any cell, so small?
Johan Conradie

7. Why can't viruses grow pure culture?
Jason Jackson

8. What is the common beta chain in all of beta-lactams?
Jason Jackson

9. What is the difference between a gram positive and gram negative bacteria?

10. what is the difference between selective media and differential media?
-Eileen Sorenson

11. What antibiotic was used to treat anthrax letter recipients and why?
-Eileen Sorenson

12. What is DNA gyrase and what is topoisomerase 4 and where is it found?
-Eileen Sorenson

13. Define cocci, bacilli, spirilla, spirochetes.
-Eileen Sorenson

14. How can you tell the difference between staphylococci and streptococci?
-Eileen Sorenson

15. What are the components of a cell membrane for 1) a eukaryotic cell and 2) a prokaryotic cell?
-Brittany Williamson

16. In a gram positive bacteria what would be the outter most layer of its cell envelope?
-gram negative bacteria?
-acid-fast bacteria?
- Brittany Williamson

17. What are the steps one goes through to do a Kirby-Bauer Test?
Cody Kruckenberg

18. What is the difference between selective media and differential media?
- Cody Kruckenberg

19. What are the differences between eukaryotes and prokaryotes?
-Brittany Williamson

20. What are characteristics of viruses?
- Brittany Williamson

21. How do antibiotics work?
-Brittany Williamson

22.What type of bacteria does vanoycin kill?
-Jason Jackson

23. Pilli are used in bacterial sex, what is transfered during their sex?
-Jason Jackson

24. What is the difference in motion of flagellum in human cells and bacterial cells?
-Jason Jackson

25. What is the difference between polar and peritrichous flagella?
-Eileen Sorenson

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