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Antibiotics

Antibiotics
pH of the fermentation medium for chlorotetracyclins is

5-6
6-7
8-9
7-8

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Antibiotics
High yield of chlorotetracyclin requires

no aeration
continuous aeration
aeration which does not affect the yield
controlled aeration

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Antibiotics
Fermentation medium for oxytetracyclin (terramycin) consist of

CSL, starch,(NH4)2 SO4, ammonium chloride and CaCO3
CSL, starch, (NH4)2 SO4, sodium chloride and CaCO3
CSL,(NH4)2 SO4, ammonium chloride and CaCO3
CSL, (NH4)2 SO4, sodium chloride and CaCO3

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Antibiotics
During which phase of growth of Penicillium chrysogenum maximum antibiotic production takes place

same in all the phases
during the first phase
during the third phase
during the second phase

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Antibiotics
Inoculum preparation for the fermentation medium for penicillin takes place on

barley seeds
rice seeds
all of these
wheat seeds

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Antibiotics
The yield of the antibiotic depends upon

age of the inoculum
pH of the medium
all of these
composition of the medium

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