Viruses and Prions
Across
- 3. During endocytosis, the entire virus enters the cell and must be ____
- 4. In the _____ replication cycle, the cell is lysed at the end
- 8. RNA viruses typically replicate in the cytoplasm
- 12. In the _____ replication cycle, viral nucleotides are inserted into host DNA
- 13. _____ viruses have an extra phospholipid layer
- 15. Proteinaceous infective particles without nucleic acids
- 17. Animal viruses lack _____ for attachment
- 18. Extracellular viral state
- 19. When enveloped animal viruses are extruded through a cell membrane and that part of the membrane becomes the viral envelope
Down
- 1. Direct penetration is the entry mechanism where the capsid sinks into the cytoplasmic membrane and creates a ____
- 2. Most viruses are ____ specific
- 4. Type of animal viruses that may remain dormant in cells
- 5. Virus ______ is based on type of nucleic acid, presence of envelope, shape, and size
- 6. A mass of neoplastic cells
- 7. The most common viral shape
- 9. A virus that infects bacteria
- 10. Membrane _____ is when the viral envelope becomes part of the cytoplasmic membrane
- 11. Uncontrolled cell division in a multicellular animal
- 14. A miniscule, acellular, infectious agent with nucleic acid
- 16. With animal viruses, replication or synthesis starts with making ____