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Industrially Useful Microbial Processes

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

Acetobacter
Pseudomonas
both (a) and (b)
Propionibacterium

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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

dehydrogenase
isomerase
invertase
racemase

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

Ashbya gossypii
Candida flareri
None of these
Eremothecium ashbyii

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Industrially Useful Microbial Processes
Which species from the followings is resistant to methyl tryptophan?

E. coli
B. subtilis
Hansenula anomala
Candida utilis

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Industrially Useful Microbial Processes
The first penicillin isolated by Alexander Fleming, penicillin F is also called

2-Pentenyl Penicillin
phenoxymethyl penicillin
n-heptyl penicillin
benzyl penicillin

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Industrially Useful Microbial Processes
Vinegar is a fermentation derived food product containing not less than

25% acetic acid
15% acetic acid
4% acetic acid
6% acetic acid

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