Bacteria and Virus

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Across
  1. 4. The main component of bacterial cell walls.
  2. 6. A dormant, tough structure formed by some bacteria to survive harsh conditions.
  3. 7. The region in a bacterial cell where DNA is found, since it lacks a nucleus.
  4. 13. A type of virus that infects bacteria
  5. 14. A method of stimulating the immune system to protect against viral infections.
  6. 15. A viral replication CYCLE in which the virus incorporates its DNA into the host’s genome and remains dormant before becoming active later.
Down
  1. 1. A small, hair-like structure on some bacteria that helps with attachment and genetic exchange.
  2. 2. A tiny infectious particle that requires a host cell to replicate.
  3. 3. The protective protein coat that surrounds a virus.
  4. 5. A substance that kills or inhibits bacterial growth.
  5. 8. A whip-like structure that helps bacteria move.
  6. 9. A CYCLE in which a virus enters a host cell, immediately replicates, and causes the cell to burst.
  7. 10. Any organism, including bacteria, that causes disease.
  8. 11. A small, circular piece of DNA in bacteria that can carry extra genes.
  9. 12. A rod-shaped bacterium.