experiment 13 water contamination

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9 Terms

1
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coliform characteristics

facultative anaerobes, facultative aerobic, and gram negative bacilli

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coliforms do not form

endospores

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coliforms ferment lactose resulting in the production of blank within a blank

acid and gas/48 hour incubation window

4
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coliform dects the presence of

e.coil

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presumptive test positive result?

fermentation of lactose resulting in a red or yellow color and bubbles in the durham tube

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what is MPN?

most probable number- determines the number of coliforms by a statistical estimation

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confirmation test uses what agar?

MUG agar

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MUG agar positive result?

fluorescent under uv light

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what other media can be used for confirmation test?

EMB agar (green metallic)