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Industrially Useful Microbial Processes

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

Streptomyces erythreus
Bacillus licheniformis
Aspergillus fumigatus
Bacillus polymyxa

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

Bacillus megaterium
Streptomyces griseus
Streptomyces lactis
Streptomyces olivaceus

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Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

human pathogens
plant pathogens
none of these
plant mutants

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Industrially Useful Microbial Processes
B. flavum strain can be used for the production of

L-Threonine
All of these
L-Proline
L-Isoleucine and L-Histidine

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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
dehydrogenase
invertase
isomerase

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Industrially Useful Microbial Processes
The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

Lactobacillus casei
Lactobacillus bulgaricus
Lactobacillus pentosus
Streptococcus lactis

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