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#Question id: 3949


Which of the following observations supports the view that ribosomal RNA has catalytic activity?

#Section 3: Genetics, Cellular and Molecular Biology
  1. The base sequence of rRNAs is highly conserved, whereas the amino acid sequence of ribosomal protein is not.

  2. Bacteria that develop antibiotic resistance have base substitutions on the rRNA, but do not have amino acid substitutions on the ribosomal proteins.

  3. The peptidyl transferase reaction is sensitive to ribonucleases.

  4. All of the above.

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#Question id: 27519

#Section 5: Bioprocess Engineering and Process Biotechnology

The destruction of the cells takes place during following treatment processes

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#Question id: 27520

#Section 5: Bioprocess Engineering and Process Biotechnology

In the air filter, the particles removal due to drag force

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