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TLS Online TPP Program

#Question id: 3876

Which one of the following is not true of the mRNA for ovalbumin?

#Section 3: Genetics, Cellular and Molecular Biology

  1. Exons are used for polypeptide synthesis.

  2. Introns are complementary to their adjacent exons and will form hybrids with them.

  3. The mature mRNA is substantially shorter than the corresponding region on the DNA.

  4. The mRNA is originally synthesized in the nucleus, but ends up in the cytoplasm.

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TLS Online TPP Program

#Question id: 27521

#Section 5: Bioprocess Engineering and Process Biotechnology

In the figure below, '1', '2' and '3' stand for
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