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