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Industrially Useful Microbial Processes

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

Streptomyces griseus
Bacillus megaterium
Streptomyces olivaceus
Streptomyces lactis

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

all of these
A. niger
A.flavus
A. oryzae

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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

isomerase
racemase
invertase
dehydrogenase

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Industrially Useful Microbial Processes
Which of the following is known for greater stability of the riboflavin producing capacity?

Eremothecium ashbyii
None of these
Ashbya gossypii
Candida flareri

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Industrially Useful Microbial Processes
The organism B. brevis can be used commercially for the production of

gramicidin A
tyrocidin
All of these
tyrothricin(bacitracin tyrocidin complex)

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Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Acetobacter
Propionibacterium
both (a) and (b)
Pseudomonas

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