Chapter 6 Bacteria & Viruses

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Across
  1. 2. Bacteria reproduce by __________ fission .
  2. 3. Prokaryotes are classified in kingdoms Archaea and __________.
  3. 5. An injection of a weakened or dead virus is a(n) __________.
  4. 7. small, circular strands of DNA
  5. 10. A virus that remains inactive in its host cell for a period of months or years is called a(n) __________ virus.
Down
  1. 1. the helpful microscopic bacterial cells that inhabit your body
  2. 4. a protein coat surrounding viral DNA
  3. 6. Some bacteria escape poor conditions such as heat or cold by forming __________.
  4. 8. the slimy coating around a bacterium
  5. 9. a cell infected by a virus