TLS Online TPP Program

#Question id: 1598


Which of the following polypeptide is important for the expression of MHC I on the cell membrane?

#Section 2: General Biology
  1. Interferons

  2. β2-microglobin

  3. Lymphokines

  4. Interleukins

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TLS Online TPP Program

#Question id: 27562

#Section 5: Bioprocess Engineering and Process Biotechnology

Match each parameter in Group 1 with the appropriate measuring device in Group 2

Group 1                                       Group 2

(P) Pressure                               (1) Photometer

(Q) Foam                                    (2) Rotameter

(R) Turbidity                               (3) Diaphragm gauge

S) Flow rate                                (4) Rubber sheathed electrode

TLS Online TPP Program

#Question id: 27563

#Section 5: Bioprocess Engineering and Process Biotechnology

Match the instruments in Group 1 with their corresponding measurements in Group 2
Group 1                                                         Group 2
(P) Manometer                                              (1) Agitator speed
(Q) Rotameter                                               (2) Pressure difference
(R) Tachometer                                              (3) Cell number
(S) Haemocytometer                                     (4) Air flow rate

TLS Online TPP Program

#Question id: 27589

#Section 5: Bioprocess Engineering and Process Biotechnology

The pressure gauge on an autoclave reads 15 psi. What is the absolute pressure in the chamber in psi? (Assume atmospheric pressure is 14.7 psi)

TLS Online TPP Program

#Question id: 27590

#Section 5: Bioprocess Engineering and Process Biotechnology

The pressure gauge on an autoclave reads 15 psi. What is the absolute pressure in the chamber in atm? (Assume atmospheric pressure is 14.7 psi and 1 psi=6.8*10-2 atm

TLS Online TPP Program

#Question id: 27591

#Section 5: Bioprocess Engineering and Process Biotechnology

Gas leaving a fermenter at close to 1 atm pressure and 25°C has the following composition: 78.2% nitrogen, 19.2% oxygen, 2.6% carbon dioxide. Calculate the mass composition of the fermenter off-gas.

TLS Online TPP Program

#Question id: 27592

#Section 5: Bioprocess Engineering and Process Biotechnology

Gas leaving a fermenter at close to 1 atm pressure and 25°C has the following composition: 78.2% nitrogen, 19.2% oxygen, 2.6% carbon dioxide. Calculate the mass of CO2 in each cubic metre of gas leaving the fermenter. [R=0.000082057 m3 atm / K gmol]