Virus and Bacteria Worksheet Viruses: 1. Do viruses belong to a kingdom? YES or NO 2. A virus is made of a core and a capsid 3. What do viruses have to support the idea that they are living? Viruses have characteristics of living things but not all of them. 4. Viruses that contain RNA are called:Retrovirus a. Give an example: HIV 5. A Bacteriophage is a virus that attacks bacteria? 6. A Prion is made up of only protein; cause of “Mad Cow disease” Match the letter in the diagram to the right with the best statement: 7. B Virus’ nucleic acid is injected into the host cell. 8. C The virus’ nucleic acid is copied. 9. E The host cell explodes, releasing more viruses. 10. A The virus attaches itself to the host cell. 11. D Cell reproduces more viruses. Bacteria: 12. Kingdom of true bacteria: Eubacteria 13. Cell walls of bacteria lack Nucleus 14. Two possible ways bacteria cause illness: Destroying cells and releasing toxins 15. Kingdom of the ancient bacteria: Archaea 16. Where can you find bacteria listed in question 15 living? Extreme habits Vocabulary – Viruses and Bacteria: 17. Organism that depends entirely upon another living organism for its existence in such a way that it harms that organism is called a Parasite 18. Something that causes a disease is called a Pathogen 19. Composed of one cell: unicellular 20. Cells that lack a distinct nucleus: prokaryotic 21. Something that breaks down dead matter to recycle nutrients into ecosystem is called a decomposer 22. A Relationship between 2 organisms where one or both organisms benefit is Mutualism Matching: Identify each organism as either Virus (V) or Bacteria (B): 23. Flu __V__ 24. Bad breath _B_ 25. Yogurt _B__ 26. Common cold __v__ 27. AIDS __V__ 28. Strep throat __B__ 29. E. coli __B_ 30. Digests oil _B__ 31. Warts __B__ 32. Anthrax __B__ 33. Rabies __V__ 34. Smallpox __V__ 35. Non-cellular __V__ 36. Ebola __V__ 37. Has a cell wall __B__ 38. Polio __V__ 39. HIV __V__ 40. Decomposers __B__ “Work-Alikes”: In the space provided, write the letter of the term or phrase that best describes how each numbered item functions. 41. Virus Envelope __B__ 42. Bacteriophage __A__ 43. HIV Infection __C__ 44. Influenza __D__ a. b. c. d. Security Guards get sick and die Door key A rumor being spread among people A hypodermic needle