TLS Online TPP Program

#Question id: 4148


Which of the following is true about the sorting pathway for proteins destined for incorporation into lysosomes or the plasma membrane of eukaryotic cells?

#Section 3: Genetics, Cellular and Molecular Biology
  1. Binding of SRP to the signal peptide and the ribosome temporarily accelerates protein synthesis.

  2. The newly synthesized polypeptides include a signal peptide at their carboxyl termini.

  3. The signal peptide is cleaved off inside the mitochondria by signal peptidase.

  4. The signal recognition particle (SRP) binds to the signal peptide soon after it appears outside the ribosome.

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TLS Online TPP Program

#Question id: 27604

#Section 5: Bioprocess Engineering and Process Biotechnology

For a given system, Accumulation = Generation – Consumption, where both the terms are distinct and non-zero, then the system is

TLS Online TPP Program

#Question id: 27605

#Section 5: Bioprocess Engineering and Process Biotechnology

If feed of 100 tonnes per hour at 5% concentration is fed to a crystallizer, the product obtained at 25% concentration is equal to ______tonnes per hour.

TLS Online TPP Program

#Question id: 27606

#Section 5: Bioprocess Engineering and Process Biotechnology

In a process, CO2 and water is given as feed and the mass fraction is 0.25 and 0.75 respectively. The feed stream is 5 Kg/s and the product stream is 10 Kg/sec.
A. What is the feed stream of CO2 in Kg/s?

TLS Online TPP Program

#Question id: 27908

#Section 5: Bioprocess Engineering and Process Biotechnology

The dynamic technique is based on the

TLS Online TPP Program

#Question id: 27909

#Section 5: Bioprocess Engineering and Process Biotechnology

A 20-1 stirred fermenter containing a Bacillus thuringiensis culture at 30°C is used for production of microbial insecticide, ka is determined using the dynamic method. Air flow is shut off for a few minutes and the dissolved-oxygen level drops; the air supply is then re-connected. When steady state is established, the dissolved-oxygen tension is 78% air saturation. The following results are obtained. Estimate ka.

TLS Online TPP Program

#Question id: 27910

#Section 5: Bioprocess Engineering and Process Biotechnology

The rate of oxygen tranfer is given by equation