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Microbiology Study Set 1

Biology

Quiz 28 :

Applied and Industrial Microbiology

Quiz 28 :

Applied and Industrial Microbiology

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Figure 28.1 img -In Figure 28.1, assume the cells are producing penicillin which is collected during the idiophase. When would you be able to collect the penicillin?
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Answer:

C

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Biomass is a renewable energy source derived from the organic matter produced by living organisms. All of the following are sources of biomass EXCEPT
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D

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What process does yeast use to produce ethanol for automobile fuel from corn?
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B

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Figure 28.3 img -Figure 28.3 shows the growth curves of Acetobacter under different conditions. Which culture would produce the highest amount of the primary metabolite acetic acid?
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All of the following are advantages of a bioreactor instead of a flask culture EXCEPT
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Thiobacillus ferrooxidans is used for the recovery of from ore.
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All of the following are reasons for utilizing algae for biofuel production EXCEPT
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Figure 28.1 img -In Figure 28.1, assume the cells are your desired product and you want to maintain a continuous culture. When would you harvest cells to maximize your yield?
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The following steps are required for making cheese. What is the second step?
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Commercial sterilization differs from complete sterilization in that commercial sterilization
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Canning preserves food
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Which of the following microorganisms is usually used in the fermentation of alcoholic beverages?
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What will be produced if wine is aerated?
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Bioreactors are widely used for industrial fermentation. Which of the following conditions must be closely monitored for optimal fermentation?
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A baker forgets to put yeast in his bread dough. Which of the following do you expect to happen to the bread as a result?
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Commercial sterilization of processed canned foods uses a 12D treatment which is based upon a theoretical population of 1012 C. botulinum endospores in a can of food. After treatment, there would theoretically be how many endospores left?
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Aseptic packaging works to preserve foods through
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All of the following are industrial enzymes made by microbial fermentations EXCEPT
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Microorganisms themselves are commercial products. Which of the following microbes is available as a product sold in retail stores?
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All of the following foods are produced using microbial fermentations EXCEPT
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