Micro lap: part 2

micro-lap-part-2

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192791

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You have been infected with Treponema pallidum but you only show a single small red sore. What stage of the infectious process does this describe?

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Why would you detect antibodies to mitochondria if someone was infected with Treponema pallidum. One sentence.

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As the spirochete enters the cell, mitochondria leak out of the cell into the extracellular environment and act as an antigen to promote antibody production.

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A bacterium may use fermentation initially to catabolize glucose versus using cellular respiration. Why?

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192794

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Providencia stuartii has a lac operon. T/F

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192795

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Bacillus subtilis produces the exoenzyme, catabolase. T/F

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192796

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You are working with an unknown bacterium that produces catalase. There is no way that this organism could be Staphylococcus epidermidis. T/F

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192797

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Why does a urea plate turn bright pink when P. stuartii is grown on it? One sentence

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P. stuartii produces urease which catabolizes urea producing ammonia which is basic and will interact with phenol red, found in the plate, to produce a pink color.

192798

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The destruction or removal of vegetative pathogens but not bacterial endospores is the definition for

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192799

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Autoclaves use_________ to sterilize objects

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Pasteurization removes all bacteria from a sample. T/F

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