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