Cell Structure and Function Crossword
Across
- 4. (___________ gonorrhoeae) Bacterium whose virulence depends on fimbriae and pili.
- 5. Structured community of bacteria attached to a surface and embedded in a protective matrix.
- 6. (_________ anthracis) Bacterium with an S-layer that contributes to chemical resistance.
- 9. Group of bacteria that lack cell walls; many species are pathogenic.
- 12. Internal flagellum found in spirochaete bacteria; also called an axial filament.
- 15. (_________ stress) Type of stress caused by water moving into or out of a cell.
- 17. Process by which immune cells engulf and destroy microbes.
- 18. Medium-sized bacterial appendages used for attachment or DNA transfer.
- 19. Protein-based external layer that protects some bacteria from harsh chemicals.
- 20. (_________ layer) Loose, polysaccharide form of the glycocalyx that helps bacteria grow in biofilms.
- 21. pneumoniae Bacterium that uses a capsule as a major virulence factor.
- 24. Smallest bacterial appendages; important for attachment and virulence.
- 25. acid Waxy cell wall component that increases resistance to antibiotics and immunity, think TB.
- 26. (_________ tuberculosis) Bacterium whose virulence depends on mycolic acid and lipid toxins.
Down
- 1. A kind of motility that is all about surface movement like swarming, using pili, seen in some pathogenic bacteria.
- 2. (__________factor) Lipid toxin derived from mycolic acid that contributes to virulence, important in TB.
- 3. (____________ aeruginosa) Bacterium known for forming biofilms that damage the lungs of cystic fibrosis patients.
- 7. Major structural component of the outer membrane of Gram-negative bacteria.
- 8. Human immune cell capable of phagocytosis.
- 10. Layer external to the bacterial cell wall that can protect cells and aid attachment.
- 11. Group of bacteria with a corkscrew shape and internal flagella.
- 12. Toxic lipopolysaccharide found in the outer membrane of Gram-negative bacteria.
- 13. Largest bacterial appendage used for swimming via runs and tumbles.
- 14. (Proteus _______) Bacterium whose flagella help it move up the urinary tract.
- 16. Tightly adherent form of a glycocalyx that helps bacteria avoid immune defenses.
- 22. factor Any structure or molecule that increases a pathogen’s ability to cause disease.
- 23. (___________ pallidum) Spirochaete bacterium that causes syphilis.