Question 1

Compare the use of biosensors with traditional methods of determining microbial contamination.

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Question 2

How does water quality testing make use of environmental microbiology?

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Question 3

Benzoic acid is largely a(n) __________ agent and does not affect the growth of many bacteria.

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Question 4

Botryococcus braunii is an alga that produces hydrocarbons at __________ percent of its dry weight and could be harvested in the future. (Be sure your answer is a numeral.)

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Question 5

Smallpox is considered a serious potential biological weapon, whereas anthrax has been successfully used as one. Compare and contrast their potential with regard to the criteria for assessing biological threats.

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Question 6

With the __________ production technique, organisms are allowed to ferment their substrate until it is exhausted.

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Question 7

The organic material found in topsoil is called __________.

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Question 8

What are the levels of microbial associations in the environment? How do they relate to an ecosystem?

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Question 9

Brandy is made by the same process as wine, but the alcohol is then concentrated by __________.

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Question 10

The anthrax attack of fall 2001 was accomplished by mailing the agent in ordinary envelopes. This method of delivery took advantage of the ability of Bacillus anthracis to produce __________.

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Question 11

Compare and contrast the two types of foodborne disease.

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Question 12

Cyanobacteria produce a cell type known as a __________ that protects nitrogenase.

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Question 13

Freezing food and then using a vacuum to draw off the ice crystals is called __________.

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Question 14

When one microbe's metabolic activities create favorable conditions for another microorganism, this is referred to as __________.

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Quiz 25: Applied and Environmental Microbiology