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Industrially Useful Microbial Processes

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

both (a) and (b)
Propionibacterium
Pseudomonas
Acetobacter

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Industrially Useful Microbial Processes
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Zn
Ca
Ni
Co

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

Streptomyces erythreus
Aspergillus fumigatus
Bacillus licheniformis
Bacillus polymyxa

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Industrially Useful Microbial Processes
The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

trickle method
Orleans process
both (a) and (b)
packed generator

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Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

All of these
S. lavendulae
S. orchidaceus
S. garyphalus

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Industrially Useful Microbial Processes
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

Acetobacter xylinum
Acetobacter schuetzenbachii
Acetobacter curvum
Accetobacter orleanense

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