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Industrially Useful Microbial Processes

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

Acetobacter curvum
Acetobacter schuetzenbachii
Accetobacter orleanense
Acetobacter xylinum

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

beet molasses
germinated seed
liver extract
none of these

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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

invertase
dehydrogenase
racemase
isomerase

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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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Industrially Useful Microbial Processes
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

acetone butanol
citric acid
ethanol
streptomycin

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

acidification
none of these
alcohol treatment
autolysis

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