Chapter 21 Vocab

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Across
  1. 2. Kind of virus that infects bacteria
  2. 5. Preparation of weakened or killed pathogens used to produce immunity to a disease.
  3. 7. Type of infection in which a virus embeds its DNA into the DNA of the host cell and is replicated along with the host cell's DNA
  4. 8. Structure produced by prokaryotes in unfavorable conditions; a thick wall that encloses the DNA and a portion of the cytoplasm
  5. 12. Process in which some prokaryotes exchange genetic information
  6. 13. RNA virus that contains RNA as its genetic information
  7. 14. Protein coat surrounding a virus
Down
  1. 1. A group of drugs used to block the growth and reproduction of bacterial pathogens
  2. 3. Disease causing agents
  3. 4. Type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells.
  4. 6. Unicellular organism that lacks a nucleus
  5. 9. Bacteriophage DNA that is embedded in the bacterial host's DNA
  6. 10. Particle made of proteins, nucleic acids, and sometimes lipids that can replicate only by infecting living cells
  7. 11. Type of infection in which a virus enters a cell, makes copies of itself, and causes the cell to burst