Chapter 21 Vocab

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