Antibiotics
Media used for the production of chlorotetracyclin consists of

corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
corn steep liquor, CaCO3 and (NH4)2SO4
sugar, corn steep liquor, CaCO3, (NH4)2SO4 and NH4 Cl
sugar, CaCO3 and (NH4)2SO4

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Antibiotics
Penicillin is produced by

aerobic fermentation followed by anaerobic fermentation
aerobic fermentation
anaerobic fermentation followed by aerobic fermentation
anaerobic fermentation

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