Download Gen Bio Ch 20 Study Guide

Gen Bio Ch 20 Study Guide
Section 1
1. List the reasons viruses are not alive.
2. List the structure of a typical virus
3. What 2 nucleic acids are found in viruses?
4. How does an animal virus enter its host?
5. Describe the lytic cycle
6. Describe the lysogenic cycle
7. Define: pathogen, pathogenic
8. List the ways HIV can be transmitted?
Section 2
9. Describe the shape of the chromosome of bacteria.
10. List the differences between human cells and bacterial cells.
11. List and describe the three shapes of bacteria.
12. What is the structure of streptococcus?
13. Why do bacteria have endospores?
14. List the three ways we classify bacteria.
15. Photosynthetic bacteria capture sunlight to make their own food, what do chemosynthetic bacteria use?
16. What is the main job of nitrogen-fixing bacteria?
17. Bacteria may have short hair-like projections called________?
18. How can the botulism bacteria, which cause food poisoning, survive in canned food for a long time?
19. List some examples of antibiotics and tell why they are effective treatments for bacterial diseases.
20. Why are antibiotics ineffective against viral infections?
Gen Bio Ch 20 Study Guide
Section 1
1. List the reasons viruses are not alive.
2. List the structure of a typical virus
3. What 2 nucleic acids are found in viruses?
4. How does an animal virus enter its host?
5. Describe the lytic cycle
6. Describe the lysogenic cycle
7. Define: pathogen, pathogenic
8. List the ways HIV can be transmitted?
Section 2
9. Describe the shape of the chromosome of bacteria.
10. List the differences between human cells and bacterial cells.
11. List and describe the three shapes of bacteria.
12. What is the structure of streptococcus?
13. Why do bacteria have endospores?
14. List the three ways we classify bacteria.
15. Photosynthetic bacteria capture sunlight to make their own food, what do chemosynthetic bacteria use?
16. What is the main job of nitrogen-fixing bacteria?
17. Bacteria may have short hair-like projections called________?
18. How can the botulism bacteria, which cause food poisoning, survive in canned food for a long time?
19. List some examples of antibiotics and tell why they are effective treatments for bacterial diseases.
20. Why are antibiotics ineffective against viral infections?