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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

anaerobic process
None of these
aerobic process
a combination of both

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Industrially Useful Microbial Processes
Vinegar is a fermentation derived food product containing not less than

6% acetic acid
4% acetic acid
25% acetic acid
15% acetic acid

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

racemase
invertase
dehydrogenase
isomerase

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Industrially Useful Microbial Processes
The submerged fermentation of vinegar utilizes special fermentor designs known as

acetator
packed vinegar generator
both (a) and (b)
cavitator

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of nickel
traces of iron
traces of cobalt
none of these

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Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Citric acid
Galactosidase
Lysine
Gluconic acid

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