TLS Online TPP Program

#Question id: 2100


Cholesterol, bile acids, ergosterol, and stigmasterol share all the following common structural features except

#SCPH01 Biochemistry
  1. a four-ring structure.

  2. a hydroxyl group on first ring.

  3. a carboxylic acid group.

  4. a multiple carbon chain extending off the ring structure.

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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 

TLS Online TPP Program

#Question id: 14934

#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 g I-1. The cell yield with respect to glucose YxS was 0.42 g dry cells per gram glucose. Determine specific growth rate 

TLS Online TPP Program

#Question id: 14963

#I Life Science/ Life Sciences Group – I-V

Which antibiotics may be completely ineffective in treating a mycoplasmal infection?

TLS Online TPP Program

#Question id: 14963

#SCPH05 I Biotechnology

Which antibiotics may be completely ineffective in treating a mycoplasmal infection?

TLS Online TPP Program

#Question id: 14964

#I Life Science/ Life Sciences Group – I-V

The resistance of the tubercle bacillus to various factors is probably due to its

TLS Online TPP Program

#Question id: 14964

#SCPH05 I Biotechnology

The resistance of the tubercle bacillus to various factors is probably due to its