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TLS Online TPP Program

#Question id: 27220

Which of the following statement is incorrect regarding advantage of multiple sequence alignment?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. It reveals more biological information than many pairwise alignments.
  2. It allows the identification of conserved sequence patterns and motifs in the whole sequence family
  3. Multiple sequence alignment is an essential prerequisite to carrying out phylogenetic analysis of sequence families and prediction of protein secondary and tertiary structures.
  4. None of the above.
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TLS Online TPP Program

#Question id: 40801

#Section 5: Bioprocess Engineering and Process Biotechnology

A first-order reaction is 50% complete in 40 minutes. Calculate the time required for the reaction to reach 79% completion.
TLS Online TPP Program

#Question id: 40802

#Section 5: Bioprocess Engineering and Process Biotechnology

The rate constant for a first-order reaction is 4.606×10−3 s−1. How much time is required for the initial reactant concentration to drop from 2.0 M to 0.2 M?
TLS Online TPP Program

#Question id: 40995

#Section 5: Bioprocess Engineering and Process Biotechnology

Q. A rigid tank is being filled with hot water. During the process, 4 kg of water enters the tank with a specific enthalpy of 250 kJ/kg. The tank loses 50 kJ of heat to the surroundings. No water leaves the tank and no shaft work is done.
The energy accumulated inside the tank is:
TLS Online TPP Program

#Question id: 40996

#Section 5: Bioprocess Engineering and Process Biotechnology

Q. Steam flows through a heat exchanger. 8 kg of steam enters with a specific enthalpy of 320 kJ/kg and leaves with a specific enthalpy of 250 kJ/kg. During the process, 100 kJ of heat is supplied to the heat exchanger. No shaft work is involved.
The energy accumulated inside the heat exchanger is:
TLS Online TPP Program

#Question id: 40997

#Section 5: Bioprocess Engineering and Process Biotechnology

Q. An air compressor fills a rigid storage tank. 5 kg of compressed air enters the tank with a specific enthalpy of 300 kJ/kg. During filling, the tank loses 40 kJ of heat to the surroundings. There is no outlet flow and no shaft work.
The increase in stored energy inside the tank is:
TLS Online TPP Program

#Question id: 40999

#Section 5: Bioprocess Engineering and Process Biotechnology

Q What is the enthalpy of 150 g formic acid at 70°C and 1 atm relative to 25°C  and 1 atm? (Cp for formic acid is 0.524 cal g-1 °C-1)