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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 olivaceus
Bacillus megaterium
Streptomyces lactis

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Industrially Useful Microbial Processes
The organism B. brevis can be used commercially for the production of

gramicidin A
All of these
tyrothricin(bacitracin tyrocidin complex)
tyrocidin

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Industrially Useful Microbial Processes
Which of the following organism is utilized for the production of D-L-alanine?

Arthrobacter paraffineus
Brevibacterium flavum
Microbacterium ammoniaphilum
C. glutamicum

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Industrially Useful Microbial Processes
Which of the following was the first amino acid to be produced commercially?

L-methionine
L-lysine
L-cystine
L-glutamic acid

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Industrially Useful Microbial Processes
Most productive species among the different vitamin B12 producing Pseudomonads is

none of these
P. ovalis
P. denitrificans
P. aureofaciens

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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 nickel
none of these
traces of iron
traces of cobalt

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