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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
both (a) and (b)
Acetobacter
Propionibacterium

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Industrially Useful Microbial Processes
The organism B. brevis can be used commercially for the production of

gramicidin A
tyrothricin(bacitracin tyrocidin complex)
All of these
tyrocidin

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of iron
traces of nickel
none of these
traces of cobalt

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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
isomerase
racemase

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

Candida utilis
Hansenula anomala
B. subtilis
E. coli

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Industrially Useful Microbial Processes
Penicillin G is also known as

hydroxy benzyl penicillin
phenoxy methyl penicillin
2-pentenyl penicillin
benzyl penicillin

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