Chapter 21 Crossword

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Across
  1. 2. – single-celled fungus used in baking
  2. 6. – tiny hair-like structures used for movement
  3. 7. – cycle where a virus destroys the host cell
  4. 8. – single-celled organisms that live in extreme environments
  5. 10. – thread-like structures in fungi
  6. 12. – hair-like structures used for attachment
  7. 13. fission – process where bacteria split into two cells
  8. 14. – plant-like protists that do photosynthesis
  9. 15. – parasitic protist that can cause malaria
  10. 17. – virus that uses RNA to make DNA
  11. 19. – material in bacterial cell walls
Down
  1. 1. – cycle where viral DNA hides in the host
  2. 3. – tough material in fungal cell walls
  3. 4. – organism that breaks down dead matter
  4. 5. – long whip-like structure used for movement
  5. 6. – protein coat that protects a virus
  6. 9. diseases – illnesses caused by viruses
  7. 11. – single-celled or simple organism that is not a plant, animal, or fungus
  8. 16. – change in DNA
  9. 18. – reproductive cell of fungi