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TLS Online TPP Program

#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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TLS Online TPP Program

#Question id: 377

#Section 4: Fundamentals of Biological Engineering

The aqueous solution with the highest pH is:
TLS Online TPP Program

#Question id: 13077

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

The DNA probes for RFLP may NOT be obtained from
TLS Online TPP Program

#Question id: 7498

#General Aptitude

Two trains of length 250 m and 140 m are running on parallel lines in the same direction at 58 km/h and 32 km/h respectively. Find the time taken by the slower train to pass the driver of the faster one.
TLS Online TPP Program

#Question id: 14288

#Section 5: Bioprocess Engineering and Process Biotechnology

During a batch culture experiment the following data was obtained 

What will be the product yield (g) per gram of substrates?
TLS Online TPP Program

#Question id: 3651

#Section 3: Genetics, Cellular and Molecular Biology

__________________is spontaneous hydrolytic reaction that involves cleavage of the N-glycosylic bond between N-9 of the purine bases A and G and C-1 of the deoxyribose sugar and hence loss of purine bases from the DNA.