Chapter 18: Bacteria, Viruses, Immunology

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Across
  1. 4. The place where DNA is located in a prokaryotic cell.
  2. 7. A type of virus than uses viral RNA to make viral DNA.
  3. 9. A type of virus that infects bacteria specifically.
  4. 11. Gram ____ bacteria have many peptidoglycan layers and stain purple.
  5. 12. Bacteria are classified as prokaryotes, because their cells lack a(n) ______ .
  6. 13. This cell makes antibodies.
  7. 14. This cell seeks out and signals to infected cells to undergo apoptosis.
  8. 15. Any molecule the immune system recognizes as foreign.
  9. 16. Viral replication happens immediately in this cycle.
  10. 18. Gram ____ bacteria are more resistant to antibiotics.
  11. 19. Asexual reproduction by prokaryotes creating two identical cells.
Down
  1. 1. Spiral-shaped bacteria.
  2. 2. Something that causes an infectious disease.
  3. 3. Spherical/Round-shaped bacteria.
  4. 5. In this cycle, viral DNA becomes injects into the host cell DNA.
  5. 6. Type of transmission in which an organism (e.g. mosquito) carries a pathogen or parasite.
  6. 8. The exchange of genetic information between bacterial cells.
  7. 10. Protective barriers and inflammation are part of this category of immunity.
  8. 13. Rod-shaped bacteria.
  9. 17. Viruses are surrounded by a protein coat called a(n) ____ .