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A device in which mass cultures are grown, reactions take place, and product develops is a(n) ______.


A) fermentor
B) activator
C) incubator
D) sparger

E) None of the above
F) All of the above

Correct Answer

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In the secondary phase of water treatment, organic matter undergoes biodegradation by a diverse mix of bacteria, algae, and protozoa.

A) True
B) False

Correct Answer

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Media used for coliform enumeration include chemicals that change color depending on the enzymes present in the microbes, thereby allowing a count of total bacteria and total coliforms from a single plate.This type of medium is termed ______.


A) defined
B) selective
C) complex
D) differential

E) A) and B)
F) B) and C)

Correct Answer

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verified

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