MICROBIOLOGY CH. 5

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Across
  1. 1. composed of proteins; deposited as long protein fibrils in the brain tissue of humans and animals
  2. 3. molecules on virus surfaces give them __ for attachment to host cell
  3. 6. cell or tissue culture methods
  4. 7. a bacterial gene editing system that is known to eliminate HIV from human cells
  5. 10. damage done to host cell by virus (CPE)
  6. 12. around ten to __ percent of bacterial DNA contains viral sequences
  7. 14. the __ that viruses have (icosahedral, cylindrical, spiral, complex) influences its classification
  8. 16. the fifth and final phase of the replication cycle in an animal virus
  9. 17. sometime viruses are __, meaning they have an external lipid membrane
  10. 18. the structure of a virus is very __ and only contains those parts needed to invade and control a host cell
  11. 20. the __ that viruses have influences its classification
  12. 22. the external lipid membrane on enveloped viruses contain __ that allow the virus attach to cells
  13. 23. a fully formed virus that is able to establish an infection in a host cell
  14. 25. laboratory bred animals and embryonic bird tissues
  15. 26. viruses lack __ for synthesizing proteins
  16. 27. viruses lack __ for most metabolic processes
  17. 29. exerts say that __ percent of cancers are caused by viruses
  18. 31. developed to prevent viral diseases
  19. 34. the first phase of the replication cycle in animal viruses
  20. 35. the coreceptor HIV uses
  21. 38. viruses are so small, you need this to be able to view them
  22. 39. virus-like agents that affect plants; composed of naked strands of RNA, lacking a capsid or any other type of coating
  23. 40. viruses that infect bacteria; seen as a possible solution to killing antibiotic resistant bacteria
Down
  1. 2. viruses cannot multiply unless they invade a specific host cell, this makes them __
  2. 4. the third phase of the replication cycle in an animal virus
  3. 5. areas where virus infected cells have been destroyed
  4. 8. each virus has a __ which defines the types of cells it can infect
  5. 9. the fourth phase of the replication cycle in an anima virus
  6. 11. the second phase of the replication cycle in an animal virus
  7. 13. the part of the virus containing one or more nucleic acid segments of DNA or RNA, but NOT both
  8. 15. cancer-causing viruses on host cells
  9. 19. the __ that viruses cause influences its classification
  10. 21. The first discovery of viruses occurred in plants, its abbreviation is
  11. 24. some viral infections are __; the cells harbor the virus and are not immediately destroyed
  12. 28. not living, not composed of cells, cannot reproduce on their own, smaller than cells, infect every cell type
  13. 30. the similarities in __ influence a viruses classification(dsDNA, ssDNA, dsRNA, ssRNA)
  14. 32. what percent of human genome consists of sequences that come from viruses
  15. 33. viruses external protein shell
  16. 36. side effects on anti HIV therapy
  17. 37. have no effect on viruses, designed to treat bacterial infections