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Industrially Useful Microbial Processes

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

B. subtilis
E. coli
Candida utilis
Hansenula anomala

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Industrially Useful Microbial Processes
Chlorotetracycline a broad spectrum antibiotic is produced by

Streptomyces erythreus
Streptomyces venezuelae
Streptomyces aureofaciens
Streptomyces rimosus

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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?

Ni
Zn
Ca
Co

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

Bacillus megaterium
Streptomyces lactis
Streptomyces olivaceus
Streptomyces griseus

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

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

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Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

CaCO3
Na2SO4
(NH4)2 HPO4
MgSO4

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