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Industrially Useful Microbial Processes

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

none of these
liver extract
beet molasses
germinated seed

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

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

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

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

None of these
Candida flareri
Ashbya gossypii
Eremothecium ashbyii

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

Accetobacter orleanense
Acetobacter xylinum
Acetobacter schuetzenbachii
Acetobacter curvum

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Industrially Useful Microbial Processes
The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

Lactobacillus pentosus
Streptococcus lactis
Lactobacillus bulgaricus
Lactobacillus casei

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