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