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

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

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

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

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

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

invertase
dehydrogenase
racemase
isomerase

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Industrially Useful Microbial Processes
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

streptomycin
citric acid
ethanol
acetone butanol

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

None of these
aerobic process
anaerobic process
a combination of both

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