Microbiology Crossword Puzzle

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Across
  1. 5. A method to protect against disease using weakened microbes
  2. 10. Chain-like arrangement of spherical bacteria
  3. 11. Long, whip-like structures used for bacterial movement
  4. 14. A rod-shaped bacterium
  5. 17. Region containing DNA in a prokaryotic cell
  6. 18. Eukaryotes with chitin cell walls; include yeasts and molds
  7. 20. Small circular DNA molecules in bacteria, often carrying resistance genes
  8. 21. A sticky, protective outer layer outside the cell wall
  9. 22. Bacteria with thick peptidoglycan layer; stain purple
  10. 24. Discovered penicillin accidentally
  11. 28. A round-shaped bacterium
  12. 30. Short appendages used for attachment to surfaces
  13. 31. Comma-shaped bacteria
  14. 32. Tightly coiled, flexible bacteria with axial filaments
  15. 34. Structure responsible for protein synthesis
  16. 37. Developed postulates to link microbes to disease
  17. 38. Enzyme that breaks down peptidoglycan
  18. 39. Photosynthetic eukaryotes found in water, producing much of Earth’s oxygen
  19. 40. Rigid layer providing structure and protection to the cell
Down
  1. 1. Longer appendages involved in DNA transfer between bacteria
  2. 2. Single-celled prokaryotes, often with a peptidoglycan cell wall
  3. 3. Highly resistant bacterial structure formed in harsh conditions
  4. 4. Helically shaped, rigid bacteria
  5. 6. Jelly-like substance inside the cell containing organelles
  6. 7. Proposed the idea of a “magic bullet” in chemotherapy
  7. 8. Prokaryotes that often live in extreme environments and lack peptidoglycan
  8. 9. Clustered spherical bacteria resembling grapes
  9. 12. An organism whose cells contain a nucleus and organelles
  10. 13. Developed the first successful vaccine (against smallpox)
  11. 15. Community of microbes adhering to surfaces in a protective matrix
  12. 16. A unicellular organism without a nucleus
  13. 18. The conversion of sugar to alcohol or acid by microbes
  14. 19. Bacteria with thin peptidoglycan and outer membrane; stain pink
  15. 23. Disproved spontaneous generation; developed pasteurization
  16. 25. Scientist who established binomial nomenclature
  17. 26. The study of organisms too small to be seen with the naked eye
  18. 27. An acellular microbe that requires a host to reproduce
  19. 29. Main component of bacterial cell walls
  20. 33. Motile, single-celled eukaryotic organisms, often parasitic
  21. 35. Short, hair-like projections used for movement in eukaryotic cells
  22. 36. First to observe live microbes with a microscope