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

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

both (a) and (b)
too low level prevents growths, hence L-glutamic acid production
None of these
too high level prevents L-glutamic acid production

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

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

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Industrially Useful Microbial Processes
The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

Orleans process
packed generator
trickle method
both (a) and (b)

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Industrially Useful Microbial Processes
The recovery of vitamin from fermentation broth is carried out prior to

none of these
autolysis
alcohol treatment
acidification

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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 iron
none of these
traces of cobalt
traces of nickel

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