Industrially Useful Microbial Processes
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

Lactobacillus bulgaricus
Lactobacillus delbrueckii
Leuconostoc mesenteroides
Lactobacillus pentosus

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Industrially Useful Microbial Processes
The early assay employed for measuring penicillin activity were based upon the quantity required to prevent growth of S. aureus over

None of these
200 mm diameter zone using the cylinder plate method of assay
20 mm diameter zone using the cylinder plate method of assay
24 mm diameter zone using the cylinder plate method of assay

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