1. What is a virus? Is it alive? Why or why not?2. Discuss four ways that bacteria adapt to their environment.3. Name three historical figures in microbiology and tell what they did and why it is important.4. Discuss three differences between Eukaryotes and prokaryotes.5. Many microbes are causes of infectious disease. Discuss how antibiotics work to treat an infection and how vaccines work to prevent it.6. A soil sample from Mars contains bacteria X and a scientist becomes exposed. Would an immune response occur? Why or why not?7. Would bacteria x be pathogenic? Why or why not?8. You are handed a culture of an unknown bacteria. Briefly describe three laboratory techniques you would use to find out something about it. Make sure to include what the technique tells you about the bacteria and briefly how it works.9. Bacteria have a bad reputation in the minds of the average person. However, now that you are a seasoned microbiology student you should be able to argue against this popular opinion. Briefly defend your bacterial friends.