Across
- 6. Objective state of meat decay observed when carcass pH reaches or exceeds 6.8.
- 8. term for an animal that died prior to exsanguination.
- 9. Solidifying substance in pour plates and selective diagnostic media.
- 12. Exterior part of the meat cube harboring higher microbial contamination.
- 14. Differential agar medium used to isolate Gram-negative enteric bacteria.
- 15. Thermal technique used to pass glass slides through a flame to fix bacteria.
- 17. Systematic reduction of bacterial density using water blanks (e.g., 1:100, 1:1000).
- 20. "Killed in ____"; condition resulting in cloudy, olive-green test results.
- 21. Visible mass of bacteria arising from a single cell on an agar plate.
- 22. Energy store in living muscle converted to lactic acid post-mortem.
- 23. Bleeding efficiency test devised by M. Radan using malachite green.
- 25. component providing oxygen for the pseudo-peroxidase reaction.
- 26. Solvent used in Exercise 2 to dissolve fat from glass slides prior to staining.
- 28. Objective (100x) required to examine bacterial smears.
Down
- 1. Concentrated chemical added to acidify the malachite green/peroxide mixture.
- 2. Action of maintaining agar plates at 37°C for 2 to 5 days.
- 3. Green reagent forming an oxyhemoglobin complex in the presence of blood.
- 4. Sterile cotton instrument used to spread 0.1 mL of diluted sample.
- 5. Non-bacterial contaminants enumerated alongside bacteria on pour plates.
- 7. Muscle protein coagulated by lactic acid during the onset of rigor mortis.
- 10. classification for high-pH meat restricted to canning.
- 11. Glassware dish used for mincing tissue or supporting pour plates.
- 13. Internal muscle tissue sampled with a second sterile knife to test deep sterility.
- 16. Enzymatic breakdown of muscle causing post-mortem pH to rise slowly.
- 18. Organic acid that lowers carcass pH from ~7.2 down to 5.4–6.0.
- 19. Four-letter acronym for thiosulfate-citrate-bile salts-sucrose agar.
- 24. Removal of blood from the carcass; essential for extending meat shelf life.
- 27. dye used for 1 minute during direct microscopic examination.
- 29. post-mortem hardening and contraction of muscular tissue.
