Virus/Bacteria Study Guide (Chapter 18) 1. Know the terms: a. Virus

Virus/Bacteria Study Guide (Chapter 18)
1. Know the terms:
a. Virusb. Pathogenc. Viroidd. Prion2. Why are viruses not considered living things?
3. Why are prions unusual?
4. What disease are prions associated with?
5. What is the basic structure of a virus?
6. What are some capsids surrounded by?
7. What are the shapes of viruses (names- don’t draw)? Give some viral examples of each shape.
8. Viruses can either have _______ or ________ but never both.
9. What are bacteriophages? Draw and label a bacteriophage.
10. What are the two types of viral infections?
11. Compare the lytic and lysogenic infection.
12. What might cause a lysogenic infection to enter the lytic cycle?
13. What are some examples of viral infections?
a. __________
c. ___________
b. __________
d. ___________
14. What is a:
a. Vaccineb. Epidemicc. Retrovirus15. How do retroviruses work differently than regular viruses?
16. What is an example of a retrovirus?
17. HOW do vaccines work?
18. Know the terms:
a. Obligate anaerobeb. Obligate aerobec. Facultative aerobe19. What are the basic shapes of bacteria?
20. What is the shape of DNA in bacteria?
21. What is a plasmid?
22. What are the differences in Archaebacteria and Eubacteria?
23. What are some examples of bacterial infections?
24. What is binary fission?
25. What is conjugation?
26. How do bacteria use endospores for protection?
27. What is nitrogen fixation?
28. What is bioremediation? Give an example.
29. What is a toxin?
30. What are antibiotics?
31. How do antibiotics work?
32. Why do antibiotics not work on viruses?
33. How can bacteria become resistant to antibiotics?
34. What are superbugs?