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Industrially Useful Microbial Processes

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

Pseudomonas
Propionibacterium
both (a) and (b)
Acetobacter

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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 schuetzenbachii
Acetobacter curvum
Accetobacter orleanense
Acetobacter xylinum

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

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

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

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Industrially Useful Microbial Processes
The recovery of vitamin from fermentation broth is carried out prior to

none of these
acidification
autolysis
alcohol treatment

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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
invertase
racemase
dehydrogenase

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