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Industrially Useful Microbial Processes

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

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

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Industrially Useful Microbial Processes
The organism used to produce L-glutamic acid is

Arthrobacter globiformis
Brevibacterium aminogenes
all of these
Micrococcus glutamicus

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Industrially Useful Microbial Processes
Vinegar is a fermentation derived food product containing not less than

4% acetic acid
25% acetic acid
15% acetic acid
6% acetic acid

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Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

None of these
anaerobic process
aerobic process
a combination of both

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Industrially Useful Microbial Processes
Naringinase, an enzyme commonly used for removal of bitter taste from citrus juice is obtained from

A. niger
A. oryzae
S. cerevisiae
A.flavus

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

Streptomyces lactis
Bacillus megaterium
Streptomyces olivaceus
Streptomyces griseus

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