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Industrially Useful Microbial Processes

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

liver extract
none of these
beet molasses
germinated seed

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

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

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Industrially Useful Microbial Processes
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Ca
Zn
Co
Ni

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

Lactobacillis delbrueckii
Penicillin notatum
Aspergillus niger
Rhizopus nigrificins

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Leuconostoc mesenteroides
Lactobacillus delbrueckii
Lactobacillus bulgaricus
Lactobacillus pentose

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Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Lysine
Citric acid
Gluconic acid
Galactosidase

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