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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

All of these
S. garyphalus
S. lavendulae
S. orchidaceus

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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
Eremothecium ashbyii
None of these

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

too high level prevents L-glutamic acid production
None of these
too low level prevents growths, hence L-glutamic acid production
both (a) and (b)

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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
racemase
dehydrogenase
invertase

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Industrially Useful Microbial Processes
The major organism used in the microbial production of citric acid is

Aspergillus niger
Penicillin notatum
Lactobacillis delbrueckii
Rhizopus nigrificins

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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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