TLS Online TPP Program

#Question id: 14566


A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 108 cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell

concentration 8.0 x 107 cells/ml?
#Section 2: General Biology
  1. 1 h
  2. 2 h
  3. 3 h
  4. 4 h
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TLS Online TPP Program

#Question id: 14181

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of benzoic acid by a mixed culture of microorganisms can be represented by the following reaction.


                Determine the yield coefficients YX/S. 

TLS Online TPP Program

#Question id: 14182

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of benzoic acid by a mixed culture of microorganisms can be represented by the following reaction.


                Determine the yield coefficients YX/O2

TLS Online TPP Program

#Question id: 14183

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of benzoic acid by a mixed culture of microorganisms can be represented by the following reaction.

C6H5COOH + a O2 + b NH3 → c C5H7NO2 + d H2O + e CO2

(substrate)                                  (bacteria)


 Determine degree of reduction for the substrate.

TLS Online TPP Program

#Question id: 14184

#Section 5: Bioprocess Engineering and Process Biotechnology

Aerobic degradation of benzoic acid by a mixed culture of microorganisms can be represented by the following reaction.

C6H5COOH + a O2 + b NH3 → c C5H7NO2 + d H2O + e CO2

(substrate)                                  (bacteria)

 Determine degree of reduction for bacteria.

TLS Online TPP Program

#Question id: 14185

#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 a, b, c, d, and e, if YX/S = 0.4 g X/g S.

___________________

TLS Online TPP Program

#Question id: 14186

#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 yield coefficients YX/O2

           ________________