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

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

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Industrially Useful Microbial Processes
Which of the following are true for the heterofermentative microorganism producing lactic acid?

None of these
Some lactic acid with carbon dioxide, ethyl alcohol, acetic acid and trace amount of few other products
They are used for commercial lactic acid production
Only trace amounts of end products other than lactic acid

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