Reference no: EM133248432
1. The endospore forming bacterium, Clostridioides difficile (AKA C. Diff), is a common cause of infections in hospitals. Why can't it be easily controlled? What makes it so tough?
2. What are 2 differences between cell walls and cell membranes?
3. In this lecture, there were 2 examples of coordinated bacterial activity. What were they?
4. What is the difference between a lytic and a lysogenic virus?
5. What makes the surface of gram positive organisms negative? What makes the surface of gram negative organisms negative?
6. What makes a flagellum rotate? Where does the energy come from?
7. Which structure do you think is more important to bacteria, the plasma membrane or the cell wall? Explain your answer.
8. Which type(s) of bacterial motility involve flagella?
9. What can LPS elicit in humans? Why?
10. When you wipe your hands with hand sanitizer, what type of bacteria are still there, and viable?
11. What is the functional (not structural) difference between genomic DNA and plasmid DNA?
Challenge Questions
12. Who makes biofilms and what are they made out of? What advantages does the biofilm grant to its inhabitants?
13. How does the toxin/antitoxin system work to maintain a plasmid inside a cell.
14. What is one similarity between retrotransposons and retroviruses?
15. After infecting a cell, what must a retrovirus do before inserting its genetic material into its host's genome?
16. What is usually needed to grow viruses in a laboratory?
17. How can transposons cause disease?
18. Why would a free living organism like yourself need more genetic information than an obligate intracellular parasite like a virus?
19. How can naked viruses exit a host cell without bursting it open?
20. Do you think viruses are alive? Explain your answer.