Chapter 21 Crossword

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Across
  1. 2. – Protein coat that protects a virus
  2. 4. – Change in DNA
  3. 7. – Thread-like structures in fungi
  4. 9. – Material that makes up bacterial cell walls
  5. 12. – single-celled or simple organism that is not a plant, animal, or fungus
  6. 13. – Long tail-like structure used for movement
  7. 14. diseases – Illnesses caused by viruses
  8. 17. – Hair-like structures that help bacteria attach
  9. 18. – Virus cycle where viral DNA stays in the host
  10. 20. – Organism that breaks down dead matt
Down
  1. 1. – parasitic protist that can cause malaria
  2. 3. – Protective outer layer in some bacteria
  3. 5. – Protists that make food using sunlight
  4. 6. – Virus that uses RNA to make DNA inside a host cell
  5. 8. fission – Process where bacteria split into two cells
  6. 10. – Tough material in fungal cell walls
  7. 11. – Tiny hair-like structures used for movement
  8. 15. – Virus cycle that destroys the host cell
  9. 16. – Single-celled fungus used in baking
  10. 19. – Fungal cell used for reproduction