Food Micro Midterm 2
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| show | True
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| show | False
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| show | nutrients
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| show | UV radiation, dessication, high temperatures, chemical disinfectants.
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| show | True
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| Describe tyndalization. | show 🗑
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| show | irradiation
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| What are the three structural components of endospores? | show 🗑
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| The endospore _____ is dehydrated and contains all important cellular components. | show 🗑
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| The endospore _____ _____contains the inner membrane which becomes vegetative cell membrane. | show 🗑
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| The endospore _____ _____ is composed of layers of proteins for additional resistance. | show 🗑
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| show | Germination, outgrowth, sporulation, dormancy, activation
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| What can trigger sporulation? | show 🗑
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| What can trigger spore activation? | show 🗑
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| show | False
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| T or F: Spore germination is irreversible. | show 🗑
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| show | Low pH, temperature, lysozyme, nutrients
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| When is spore outgrowth terminated? | show 🗑
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| What occurs during spore outgrowth? | show 🗑
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| What occurs during spore germination? | show 🗑
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| show | False
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| show | High heat
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| show | B. anthracis, B. cereus, C.botulinum, C. perfringens
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| B. anthracis is found mostly is _____ foods. | show 🗑
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| What are the three ways which anthrax can occur? | show 🗑
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| Where in the cell does the endospore form in B. cereus? | show 🗑
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| B. cereus infection when experiencing diarrhea is considered _____. | show 🗑
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| show | emetic
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| show | In the small intestine.
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| The B. cereus emetic toxin is produced where? | show 🗑
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| T or F: B. cereus must be temperature abused to allow for spore growth. | show 🗑
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| What type of foods carry enteric B. cereus? | show 🗑
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| What type of foods carry enteric B. cereus? | show 🗑
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| What are the oxygen requirements for B. cereus? | show 🗑
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| show | Anaerobic
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| C. perfringens require ____ ____ for growth. | show 🗑
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| T or F: C. perfringens is considered an enterotoxin. | show 🗑
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| Where can C. perfringens be found? | show 🗑
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| Which of the seven types of C. botulinum affect humans? | show 🗑
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| C. botulinum is made dangerous by the ______ ______. | show 🗑
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| show | Destroy all the spores in the product; Prevent spore germination, growth, and toxin production during extended storage.
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| show | When viable vegetative cells are ingested, they release toxins in the gut.
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| C. perfringens and B. cereus act via ____ ____. | show 🗑
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| show | intoxication
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| show | A soluble substance that alters the normal metabolism of the hot cells with deleterious effects on the host.
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| show | False
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| show | True
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