TLS Online TPP Program

#Question id: 4836


If gene frequency between genes a and c is 2%; b and c is 13%; b and d 4%; a and b 15%; c and d 17 and a and d19%. The sequence of genes in a chromosome is

#Section 3: Genetics, Cellular and Molecular Biology
  1. a,d,b,c

  2. d,b,a,c

  3. a,b,c,d

  4. a,c,b,d

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TLS Online TPP Program

#Question id: 14189

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of an organic compound by a mixed culture of organisms in waste water can be represented by the following reaction

               

Determine the degree of reductions for bacteria.

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TLS Online TPP Program

#Question id: 14190

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of an organic compound by a mixed culture of organisms in waste water can be represented by the following reaction

               

Determine RQ for the organisms

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TLS Online TPP Program

#Question id: 14191

#Section 5: Bioprocess Engineering and Process Biotechnology

Consider a 1000-l CSTR in which biomass is being produced with glucose as the substrate. The microbial system follows a Monod relationship withn µm = 0.4 h-1 , KS = 1.5 g/l (an unusu ally high value), and the yield factor YX/S = 0.5 g biomass/g substrate consumed. If normal operation is with a sterile feed containing 10 g/l glucose at a rate of 100 l/h. What is the specific biomass production rate (g/l-h) at steady state?

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TLS Online TPP Program

#Question id: 14192

#Section 5: Bioprocess Engineering and Process Biotechnology

In a two-stage chemostat system, the volumes of the first and second reactors are V1 = 500 l and V2 = 300 l, respectively. The first reactor is used for biomass production and the second is for a secondary metabolite formation. The feed flow rate to the first reactor is F = 100 l/h, and the glucose concentration in the feed is S = 5.0 g/l. Use the following constants for the cells.



Determine cell concentration in the effluent of the first stage.

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TLS Online TPP Program

#Question id: 14193

#Section 5: Bioprocess Engineering and Process Biotechnology

In a two-stage chemostat system, the volumes of the first and second reactors are V1 = 500 l and V2 = 300 l, respectively. The first reactor is used for biomass production and the second is for a secondary metabolite formation. The feed flow rate to the first reactor is F = 100 l/h, and the glucose concentration in the feed is S = 5.0 g/l. Use the following constants for the cells.



Determine glucose concentration in the effluent of the first stage. _____________________