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TLS Online TPP Program

#Question id: 14119

Which of the following is incorrect regarding sequence homology?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. It is an important concept in sequence analysis
  2. When two sequences are descended from a common evolutionary origin, they are said to share homology
  3. Two sequences can homologous relationship even if have do not have common origin
  4. When two sequences are descended from a common evolutionary origin, they are said to have a homologous relationship
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TLS Online TPP Program

#Question id: 27558

#Section 5: Bioprocess Engineering and Process Biotechnology

10 kg of a pure enzyme (Mr 30 000) catalyses the conversion of 1.5 g of a substrate (Mr 44) to products in 5 minutes. What will be the turnover number in (sec^-1)  ....10^5
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.