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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

dehydrogenase
invertase
isomerase
racemase

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

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

Streptomyces lactis
Streptomyces olivaceus
Bacillus megaterium
Streptomyces griseus

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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
Acetobacter xylinum
Accetobacter orleanense

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

streptomycin
citric acid
acetone butanol
ethanol

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Industrially Useful Microbial Processes
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

Lactobacillus pentosus
Leuconostoc mesenteroides
Lactobacillus delbrueckii
Lactobacillus bulgaricus

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