TLS Online TPP Program

#Question id: 10968


Which of the following is TRUE concerning erythroblastosis fetalis (hemolytic disease of the newborn, HDN)?

#I Life Science/ Life Sciences Group – I-V
  1. This occurs when a Rh+ mother has an Rh− child
  2. This is prevented by giving the mother a blood transfusion
  3.  A complete blood transfusion after the first birth will prevent HDN
  4. The father of the child has to be Rh+
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TLS Online TPP Program

#Question id: 14927

#SCPH05 I Biotechnology

Calculate RQ value based on the analysis of the inlet air and the exhaust gas as follows. —Inlet Air: 02, 20.90%; CO2, 0.01% — Outlet Gas: 02, 18.30%; CO2, 2.90% 

TLS Online TPP Program

#Question id: 14929

#SCPH05 I Biotechnology

Escherichia coli grows with a doubling time of 0.5 h in the exponential growth phase. How much time would be required to grow the cell culture from 0.1 to 10 kgdry cell m-3 

TLS Online TPP Program

#Question id: 14930

#SCPH05 I Biotechnology

E. coli grows from 0.10 to 0.50 kg dry cell m-3 in 1 h. Assuming exponential growth during this period, evaluate the specific growth rate 

TLS Online TPP Program

#Question id: 14931

#SCPH05 I Biotechnology

E. coli grows from 0.10 to 0.50 kg dry cell m-3 in 1 h. Evaluate the doubling time during the exponential growth phase 

TLS Online TPP Program

#Question id: 14932

#SCPH05 I Biotechnology

 E. coli grows from 0.10 to 0.50 kg dry cell m-3 in 1 h. How much time would be required to grow from 0.10 to 1.0 kg dry cell m-3? You may assume exponential growth during this period 

TLS Online TPP Program

#Question id: 14933

#SCPH05 I Biotechnology

E. coli was continuously cultured in a continuous stirred tank fermenter with a working volume of 1.0 I by chemostat. A medium containing 4.0 g1-1 of glucose as a carbon source was fed to the fermenter at a constant flow rate of 0.5 I h-1, and the glucose concentration in the output stream was 0.20 g1-1, The cell yield with respect to glucose YxS was 0.42 g dry cells per gram glucose. Determine the cell concentration in the output stream