Industrially Useful Microbial Processes
Which of the following microorganism produces only L(+) - lactic acid without further racemization ?

Lactobacillus delbrueckii
Rhizopus oryzae
Lactobacillus bulgaricus
Leuconostoc mesenteroides

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Industrially Useful Microbial Processes
Why high concentration of sugars are not employed in the fermentation medium?

Calcium lactate is not produced
High sugar concentration itself crystallizes
Calcium lactate crystallizes from the medium and slows down the process of fermentation
None of these

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