Allele polymorphism at any given locus is associated with

TLS Online TPP Program

#Question id: 31762

#Unit 12. Biochemical Engineering

Which one of the following uses a photocell to measure the cell density of a culture to regulate the flow of culture media?

TLS Online TPP Program

#Question id: 31852

#Unit 12. Biochemical Engineering

During a fermentation process, the feed is sterilized using wet-heat sterilization method. What will happen to D-value, if the solute concentration in the feed increases by fourfold?

TLS Online TPP Program

#Question id: 31854

#Unit 12. Biochemical Engineering

The penicillin extraction process involves the following steps:

A. Extraction from the organic solvent into an aqueous buffer

B. Extraction from the aqueous buffer into an organic solvent

C. Extraction of penicillin from the filtered broth into organic solvent

D. Extraction of solvent to obtain penicillin salt

Choose the correct sequence of steps from the options given below :

TLS Online TPP Program

#Question id: 31858

#Unit 12. Biochemical Engineering

If the partitioning coefficient (K) of a solute is 20 when it is extracted by an organic solvent from culture medium, what is the amount of solvent required per litre of culture medium to extract 90% of the solute in a single equilibrium stage? 

TLS Online TPP Program

#Question id: 31890

#Unit 12. Biochemical Engineering

The efficiency of an organic sludge composting method can be improved by various physicochemical options. Which one of the following is NOT a recommended option for the same?

TLS Online TPP Program

#Question id: 26692

#Unit 12. Biochemical Engineering

In a single stage continuous extraction system. solvent is added to cell-free culture filtrate containing the product. If the partition coefficient of the product is 5. then to extract 90% of the product, assuming ideal single stage, the flow rate of solvent should be times the flow rate of the culture filtrate.