Introduction to Viruses

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Across
  1. 5. Viruses depend on host ___ machinery
  2. 6. First animal virus discovered
  3. 7. – Technique to separate viral proteins
  4. 9. Genetic material of most phages
  5. 12. – Viruses in crystalline form are ___
  6. 15. – Lipid covering of some viruses
  7. 18. Host immune response triggered by viruses
  8. 21. Viruses cannot perform ___ independently
  9. 23. – Viral genome enclosed in protein
  10. 26. – Site of replication for many DNA viruses
  11. 27. – Complete virus particle outside host
  12. 28. Technique for viral antigen-antibody detection
  13. 29. Non-protein infectious agent
  14. 30. Discovery of bacteriophages credited to Twort and ___
  15. 33. – Genetic material of HIV
  16. 35. – Viruses are ___ parasites
  17. 38. Plant virus spread by aphids
  18. 39. Viruses are unable to produce their own ___
  19. 40. – First discovered plant virus
  20. 42. Shape of adenovirus capsid
  21. 44. Method to amplify viral DNA
  22. 45. – Viruses lie at the ___ of life
  23. 48. Method of observing virus crystals
Down
  1. 1. – Father of virology
  2. 2. – Instrument to visualize viruses
  3. 3. – Virus that infects bacteria
  4. 4. Viral DNA integrated into host genome
  5. 5. Virus that attacks cyanobacteria
  6. 8. – Subunit of capsid
  7. 10. – Test to detect viral antigens
  8. 11. – Virus that causes AIDS
  9. 13. – Protein spikes on influenza virus
  10. 14. – Enzyme in retroviruses
  11. 16. – Hollow protein shell of virus
  12. 17. – First to observe “filterable agent”
  13. 19. – Infectious protein particle
  14. 20. Technique to study viral proteins
  15. 22. General term for acellular infectious agent
  16. 24. – Smallest known infectious agents (RNA only)
  17. 25. Viral enzyme used in molecular biology
  18. 31. Viroid genome is always ___
  19. 32. – Protein coat of virus
  20. 34. – Rod-shaped virus in tobacco
  21. 36. – Plant symptom caused by TMV
  22. 37. – Scientist who crystallized TMV
  23. 41. – Science of viruses
  24. 43. Infectious viral DNA in bacteria
  25. 46. Used in diagnostics to detect viral RNA
  26. 47. – Viruses require a ___ cell