TLS Online TPP Program

#Question id: 4318


Which of the following statements correctly describes a characteristic of tumor-suppressor gene?

#Section 3: Genetics, Cellular and Molecular Biology
  1. They are frequently overexpressed in cancerous cells.

  2. They are cancer-causing genes introduced into cells by viruses.

  3. They encode proteins that help prevent uncontrolled cell growth.

  4. They often encode proteins that stimulate the cell cycle.

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TLS Online TPP Program

#Question id: 14179

#Section 5: Bioprocess Engineering and Process Biotechnology

The growth of S. cerevisiae on glucose under anaerobic conditions can be described by the following overall reaction: 

Determine the coefficient R. 


TLS Online TPP Program

#Question id: 14180

#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 a, b, c, d, and e if RQ = 0.9.

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.