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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Rickes et al. recovered active crystalline vitamin B12 from the culture of

Streptomyces griseus
Streptomyces lactis
Bacillus megaterium
Streptomyces olivaceus

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Industrially Useful Microbial Processes
Which of the following microorganism produces only L(+) - lactic acid without further racemization ?

Lactobacillus bulgaricus
Rhizopus oryzae
Leuconostoc mesenteroides
Lactobacillus delbrueckii

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Industrially Useful Microbial Processes
Alcohol production from starch and raw sugar utilizes selected strains of

none of these
Candida utilis
Saccharomyces cerevisiae
Candida pseudotropicalis

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

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

Zn
Co
Ca
Ni

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Industrially Useful Microbial Processes
The strain C. glutamicum can be used for the production of

all of these
L-glutamine
L-phenylalanine
L-ornithine

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