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

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Industrially Useful Microbial Processes
The major organism used in the microbial production of citric acid is

Rhizopus nigrificins
Lactobacillis delbrueckii
Penicillin notatum
Aspergillus niger

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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
isomerase
dehydrogenase

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Industrially Useful Microbial Processes
Alcohol production from starch and raw sugar utilizes selected strains of

Candida pseudotropicalis
Candida utilis
Saccharomyces cerevisiae
none of these

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin C
vitamin D
vitamin A
provitamin A

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

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

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