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TLS Online TPP Program

#Question id: 17273

Of the two databases A and B, the database A is larger in size than Database B. In a BLAST search sequence has a highly significant match with the same entry in both the databases. Which of the following is TRUE? 

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. Match in database A will have lower E- value when compared to database B
  2. Match in database B will have lower E- value when compared to database A
  3. The E-value will be same for both the matches
  4. The E-value cannot be compared for such a search
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TLS Online TPP Program

#Question id: 14285

#Section 5: Bioprocess Engineering and Process Biotechnology

Match the transport process with appropriate time constants given below 
Transport process                       time constants
1. Oxygen transfer                     p. V/Q
2. Heat transfer                      q. 4V(1.5ND3)
3. Flow                                     r. VpCp/UA
4. Mixing                              s. 1/KLa 
TLS Online TPP Program

#Question id: 14286

#Section 5: Bioprocess Engineering and Process Biotechnology

 When a liquid of density 1200kg/m3 and viscosity 0.01 kg m^-1s^-1 flows through a 1 cm ID pipe at 0.2m/s, the flow is referred as a 
TLS Online TPP Program

#Question id: 14287

#Section 5: Bioprocess Engineering and Process Biotechnology

A chemostat is run with a feed rate of llitre/h when the volume of the reactor is also 1 litre. At steady state the doubling time of the cells in the chemostat is.....   h. 
TLS Online TPP Program

#Question id: 14288

#Section 5: Bioprocess Engineering and Process Biotechnology

During a batch culture experiment the following data was obtained 

What will be the product yield (g) per gram of substrates?
TLS Online TPP Program

#Question id: 14289

#Section 5: Bioprocess Engineering and Process Biotechnology

In a fermenter the impeller diameter is increased from 0.5m to 1m and the rpm is increased from 100 rpm to 400 rpm. Reynolds number will increase by?
TLS Online TPP Program

#Question id: 14290

#Section 5: Bioprocess Engineering and Process Biotechnology

Acetobacter aceti converts alcohol to acetic acid according to the schiometric relation

In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism produces 16g/l acetic acid and 2g/l was the residual ethanol concentration what are the theoretical and observed yields of acetic acid expressed in g/g ethanol