Chapter 21 Pre-Test

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Across
  1. 2. Kind of virus that infects bacteria
  2. 6. Disease causing agent
  3. 7. Protein coat surrounding a virus
  4. 9. Particle made of proteins, nucleic acids, and sometimes lipids that can replicate living cells
  5. 11. structure produced by prokaryotes in unfavorable conditions; a think internal wall that encloses the DNA and a portion of the cytoplasm
  6. 12. Infection where the virus embeds DNA in the DNA of the host cell and is replicated along with the host cells
  7. 14. preparation of weakened or killed pathogens used to produce immunity to a disease
Down
  1. 1. A-sexual reproduction where organism replicates DNA and divides in half making two daughter cells
  2. 3. Infection where the virus enters a cell, making copies of its self causing it to burst
  3. 4. Bacteriophage DNA that is embedded in the bacterial host's DNA
  4. 5. A group of drugs used to block the growth and reproduction of bacterial pathogens
  5. 8. Unicellular organism that lacks a nucleus
  6. 10. RNA virus that contains RNA as its genetic info
  7. 13. Process in which some prokaryotes exchange genetic info