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Cards In This Set
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Two chemicals that can be added to a broth medium that tie up oxygen and contribute to an anaerobic environment AKA help to maintain a low redox potential.
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Thioglycollate + L-cystine help anaerobes by ____.
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(genus) grows very well in candle jar.
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Acinobacter grows _____ in candle jar.
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(genus) won't grow at all in candle jar.
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Clostridium _____ in candle jar.
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(genus) that will grow in anaerobic environment in a nutrient agar.
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Clostridium is an _______.
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(genus) that will not grow at all in anaerobic environment in a nutrient agar.
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Acinobacter is an ______.
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UV light has a wavelength of ______.
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_______ has a wavelength of 265.
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UV light can kill bacteria because of how it effects ______ component of bacteria.
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_____ can kill bacteria because of how it effects pirimidine dimers (esp. thymine) on DNA.
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Why shold food workers wash their hands?
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______ helps to remove environmental bacteria even though it cannot destroy/remove our normal flora.
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Why do phage plagues not continue to enlarge after the initial 1 day of incubation?
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_____ needs growing bacteria (E. coli) to grow and therefore the ________ of incubation is all the time it gets to grow.
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What substrate in Colilert broth do all coliform bacteria metabolize?
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In ______, the substrate that all coliforms metabolize is. ONPG
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ONPG is metabolized by (enzyme)
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Beta-galactosidase metabolizes _____ in Colilert broth.
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What substrate in Colilart broth does only E. coli metabolize?
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Mug is metabolized by (organism).
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Beta-glucoronidase metabolizes _____ in Colilert broth
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Mug is metabolized by (enzyme).
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On Petrifilm, what does E. coli (first picture) look like as opposed to all other coliforms (second picture) ?
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Red with gas; Blue with gas.
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Lactose Fermentation causes ______ to form in the Petrifilm test.
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_______ causes gas bubbles to form in the Petrifilm test.
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