1. VIRUS WORKSHEET
ANSWERS

2. 1. Mad Cow Disease N Bovine spongiform encephalopathy (BSE)
Mad Cow Disease Youtube (2:32)
CJD Youtube (8:21)
Note sponge-like lesions in brain

3. 2. Retrovirus B
Replicates through reverse transcription
(RNA to DNA)

4. 3. Host Range Q Group of organisms that a virus can attack
EXAMPLE: Avian influenza
88 species of birds

5. 4. HIV K
Human immunodeficiency virus (HIV) is a lentivirus (slowly replicating retrovirus) that causes acquired immunodeficiency syndrome (AIDS)

6. 5. Emerging Viruses L EX: Influenza Hanta virus Nipah virus
Ebola virus

7. 6. Lytic cycle F

8. 7.Lysogenic cycle G

9. 8. Prophage A

10. 9. Glycoprotein spikes M

11. 10. Reverse Transcriptase H
RNA - DNA

12. 11. Viroids O
Plant viruses

13. 12. Lysis C
Bursting open of a cell

14. 13. Prions R
Misfolded proteins in brain cells

15. 14. Bacteriophage P

16. 15. Temperate Virus I
Reproduce without killing their host

17. 16. Capsid J

18. 17. Generalized transduction D
Segment of DNA carried from one bacterial cell to another bacterial virus

19. 18. Restricted transduction E
Transfer of specific bits of bacterial genes