Across
- 2. created when bacteriophage DNA is inserted into bacterial DNA
- 3. nonliving, obligate intracellular parasite
- 4. cycle carried out by lambda bacteriophages
- 7. virus that infects bacteria
- 10. extra carbohydrate complexes of some viruses used for attachment
- 12. identified the agent causing tobacco mosaic disease
- 13. a host cell that undergoes phage __________ gains new traits after infection
- 15. protein coat surrounding viral nucleic acid
- 17. viruses contain either DNA or RNA as their _________
- 18. most viruses are 50-200 _________ in diameter
Down
- 1. refers to the type of cells a virus can infect (two words)
- 3. virus particle
- 5. virus shape not fitting into either of the other two categories
- 6. biomolecule containing genetic information of viruses (two words)
- 8. extra lipid coat of some viruses that surrounds capsid
- 9. bacteriophage enzyme used to create hole in host cell wall
- 11. cycle carried out by T-even bacteriophages
- 12. virus shape having 20 triangular faces
- 14. isolated tobacco mosaic virus for biochemical studies
- 16. virus shape of long rods of coiled nucleic acid