1. Chapter 14 Virus
Review

2. The spikes covering the envelopes of some viruses allow them to
(a) burst cell walls (b) attach to cells they infect (c) filter bacteria (d) protect against bacteria

3. b

4. Using viruses to transfer genes from one host cell to another is an example of
(a) vaccination (b) parasitism (c) genetic engineering (d) retroviral reproduction

5. c

6. Viruses have none of the following except
(a) nucleus (b) genetic material (c) cell membrane (d) cytoplasm

7. b

8. Which kingdom do viruses belong to
(a) fungi (b) moneran (c) protist (d) none of the above

9. d

10. This type of virus has no distinct or uniform shape
(a) binal (b) filovirus (c) helical (d) polyhedral

11. b

12. An example of a virus that goes thru the lysogenic cycle would be the
(a) flu virus (b) chicken pox virus (c) ebola virus (d) cold sore virus

13. d

14. What do vaccines help the body to produce to help fight off viruses
(a) Poisons (b) antibodies (c) extra skin layers (d) peculiar odors

15. b

16. In this type of virus, the nucleic acid is coiled inside a long narrow capsid
(a) binal (b) filovirus (c) polyhedral (d) helical

17. d

18. Viruses can reproduce themselves
(a) by splitting in two (b) inside a dead cell
(c) only inside a living cell (d) with spores

19. c

20. Retroviruses contain all of the following structures except
(a) reverse transcriptase (b) protein (c) RNA (d) DNA

21. d

22. A virus is a particle that consists of a core of nucleic acid and a
(a) protein coat (b) bacterium (c) DNA (d) cell membrane

23. a

24. Organism that shelters and nourishes something

25. Host

26. Replication cycle that results in immediate cell death

27. Lytic Cycle

28. Single strand of pure RNA that causes plant diseases

29. Viroid

30. Contain a weakened or dead form of the virus

31. vaccine

32. Protein molecule that causes disease in animals

33. Prion

34. Viral DNA that becomes part of the host DNA

35. Provirus

36. Protein coat surrounding the nucleic acid

37. Capsid

38. Final Question

39. Replication cycle that does not immediately kill the host

40. Lysogenic Cycle

41. Know and explain lytic cycle
Difference between lytic and lysogenic cycle
Uses for virus