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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

Na2SO4
MgSO4
(NH4)2 HPO4
CaCO3

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

Saccharomyces cerevisiae
none of these
Candida pseudotropicalis
Candida utilis

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

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

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Industrially Useful Microbial Processes
Chlorotetracycline a broad spectrum antibiotic is produced by

Streptomyces venezuelae
Streptomyces erythreus
Streptomyces rimosus
Streptomyces aureofaciens

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Industrially Useful Microbial Processes
The sugar concentration of molasses used in fermentation should be

20-30%
10-18%
30-38%
4-5%

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Industrially Useful Microbial Processes
Which of the following organism is utilized for the production of D-L-alanine?

Microbacterium ammoniaphilum
C. glutamicum
Brevibacterium flavum
Arthrobacter paraffineus

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