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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: 15236
#SCPH06 I Botany
Polyacrylamide gels are formed from the polymerisation of acrylamide monomer in the presence of
A) Agarose
B) TEMED
C) APS
D) bis-acrylamide
TLS Online TPP Program
#Question id: 12942
#SCPH06 I Botany
Name a single - stranded uracil containing vector which is grown in a selectable host deficit of the enzymes.
TLS Online TPP Program
#Question id: 414
#I Life Science/ Life Sciences Group – I-V
The hydrolysis of phosphoenolpyruvate proceeds with a DG'° of about –62 kJ/mol. The greatest contributing factors to this reaction are the destabilization of the reactants by electostatic repulsion and stabilization of the product pyruvate by:
TLS Online TPP Program
#Question id: 101
#SCPH28 | Zoology
You have two bottles, each of which contains a white, crystalline substance. Your lab director tells you that one contains lactose and the other sucrose. Your job is to determine which bottle contains which sugar. Which procedure would you use?