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Sporeformers

Food Micro Lab Final Exam

QuestionAnswer
Processing intended for food preservation should be adequate to destory spores or prevent ______. germination
What two types of spore-forming bacteria are of particular importance? Bacillus spp. and Clostridium spp.
What three microorganisms cause foodborne illness? B. cereus, C. botulinum, C. perfringens
T or F: Endotoxins are produced by gram negative bacteria. True
T or F: Endotoxins are more potent than exotoxins. False
T or F: Only gram positive bacteria product exotoxins. False
What are the steps needed for gram staining? Fixation, crystal violet, iodine, decolorization (ethanol), counter stain (safranin)
What are the steps needed for spore staining? Steam bacteria with malachite green on top, water, counterstain (safranin), water, blot dry
Created by: goberoi
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