Bacteria, Virus, Immune System

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Across
  1. 1. Living, single-celled organisms that reproduce by binary fission.
  2. 3. Medicine that kills bacteria but is ineffective against viruses.
  3. 5. Asexual reproduction in bacteria that produces identical offspring.
  4. 6. A weakened or inactive form of a pathogen that triggers immunity.
  5. 7. Viral DNA is inserted into host DNA and copied during cell division.
  6. 8. A body response to infection that raises temperature to slow pathogens.
  7. 11. Long-lasting cells that help the body recognize past infections.
Down
  1. 2. When bacteria evolve to survive antibiotics, making treatment harder.
  2. 3. Proteins made by B cells that tag viruses and bacteria for destruction.
  3. 4. Viral reproduction that destroys the host cell as viruses burst out.
  4. 9. The body’s defense system against pathogens.
  5. 10. Non-living particles that need a host cell to reproduce.