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Industrially Useful Microbial Processes

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

isomerase
invertase
dehydrogenase
racemase

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

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

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin C
vitamin A
vitamin D
provitamin A

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

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

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Lactobacillus bulgaricus
Lactobacillus delbrueckii
Leuconostoc mesenteroides
Lactobacillus pentose

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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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