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Question

A microbiologist wants to produce a fermented product at a large scale level by employing dry yeast cell culture; which device is best recommended for him?

A
PCR
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B
Incubator
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C
Agitator
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D
Fermenters
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Solution

The correct option is D Fermenters

Fermenters are large cylindrical vessels which are used for converting raw materials into a desired product which is mainly based on exploiting biochemical properties of a microbial culture. Depending on the type of fermenters, provisions for aeration, agitation, overflow vents, sampling ports, temperature and pH control systems, etc. are provided. Fermenters are used for industrial scale/large scale level of production.

PCR or polymerase chain reaction is a process by which DNA amplification is done for a desired sequence of DNA.

Agitators are apparatus which help in stirring and mixing of liquids where aerobic microbial cultures are used.

An incubator is an apparatus which provides optimum conditions for growing and maintaining microbial or cell cultures at a smaller scale, usually in laboratories.


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