The concentration of biomass in a continuous stirred tank reactor is 20 g dry weight per litre. What would be the concentration of biomass in the effluent?
Production of organic acids in batch culture is generally growth associated phase followed by non-growth associated production. The probable reason for this is that
A:
organic acids uncouple catabolism from anabolism
B:
biomass yields increase as the fermentation proceeds
C:
organic acids are secondary metabolites
D:
high concentrations of organic acid promote the growth of the microbial population
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