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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

S. orchidaceus
S. garyphalus
All of these
S. lavendulae

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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
racemase
dehydrogenase
isomerase

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Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Citric acid
Lysine
Gluconic acid
Galactosidase

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

none of these
traces of nickel
traces of iron
traces of cobalt

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

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

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

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

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