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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of cobalt
traces of iron
none of these
traces of nickel

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Aspergillus niger
Desulfovibrio desulfuricans
Pseudomonas aeruginosa
Thiobacillus ferrooxidans

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Industrially Useful Microbial Processes
Fungal amylases using stationary culture with wheat bran utilizes

A. oryzae
A. flavus
A. niger
S. cerevisiae

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

both (a) and (b)
None of these
too low level prevents growths, hence L-glutamic acid production
too high level prevents L-glutamic acid production

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

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

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Industrially Useful Microbial Processes
A major organic acid produced by a microbial process used in foods is

oxalic acid
uric acid
sulfuric acid
citric acid

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