Viruses and Bacteria

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Across
  1. 4. virus that infects bacteria
  2. 6. spiral and corkscrew-shaped prokaryotes
  3. 10. is a preparation of weakened or killed pathogens or inactivated toxins
  4. 14. spherical prokaryotes
  5. 15. HIV belongs to a group of RNA viruses
  6. 17. block the growth and reproduction of bacteria
Down
  1. 1. bacteriophage DNA that becomes embedded in the bacterial host's DNA
  2. 2. infection a virus enters a bacterial cell, makes copies of itself, and causes the cell to burst or lyse
  3. 3. is a non-living particle made of proteins, nucleic acids, and sometimes lipids
  4. 5. the protein coat surrounding a virus
  5. 7. unicellular organisms that lack a nucleus
  6. 8. many prokaryotes exchange genetic information
  7. 9. rod-shaped prokaryotes
  8. 11. infection which a host cell is not immediatly taken over,some bacteria viruses cause this
  9. 12. disease an unknown disease that appears in a population for the first time or a well-known disease that suddenly becomes harder to control
  10. 13. fission when a prokaryote has grown so that is has nearly doubled in size, it replicates its DNA and divides in half, producing two identical cells
  11. 16. when growth conditions become unfavorable, many prokaryotic cells