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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Bacitracin, an antibiotic similar to penicillin, is produced by

Aspergillus fumigatus
Streptomyces erythreus
Bacillus licheniformis
Bacillus polymyxa

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Industrially Useful Microbial Processes
The commonly used media for submerged bacterial fermentation at commercial scale is

liver extract
germinated seed
beet molasses
none of these

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

both (a) and (b)
None of these
too low level prevents growths, hence L-glutamic acid production
too high level prevents L-glutamic acid production

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Industrially Useful Microbial Processes
During fermentation, pyruvic acid is converted into organic products such as

citric acid and isocitric acid
glucose and fructose
starch and cellulose
ethyl alcohol and lactic acid

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Industrially Useful Microbial Processes
Which of the following organism is utilized for the production of D-L-alanine?

C. glutamicum
Brevibacterium flavum
Microbacterium ammoniaphilum
Arthrobacter paraffineus

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Industrially Useful Microbial Processes
Rickes et al. recovered active crystalline vitamin B12 from the culture of

Bacillus megaterium
Streptomyces lactis
Streptomyces olivaceus
Streptomyces griseus

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