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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
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Pseudomonas
Propionibacterium
Acetobacter
both (a) and (b)

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Lactobacillus bulgaricus
Leuconostoc mesenteroides
Lactobacillus pentose
Lactobacillus delbrueckii

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Industrially Useful Microbial Processes
The commonly used media for submerged bacterial fermentation at commercial scale is

beet molasses
none of these
liver extract
germinated seed

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Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

All of these
S. garyphalus
S. orchidaceus
S. lavendulae

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

190 proof
110 proof
120 proof
170 proof

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