TLS Online TPP Program

#Question id: 4123


A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides.  If you assume that the average amino acid residue contributes 110 to the peptide molecular weight, the largest polypeptide that this mRNA could code for would have a molecular weight of about:

#Part-A Aptitude & General Biotechnology
  1. 800

  2. 5,000

  3. 30,000

  4. 80,000.

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TLS Online TPP Program

#Question id: 18773

#Part-A Aptitude & General Biotechnology

The affinity constant, Ka between antigen-antibodies, can be determined by 

TLS Online TPP Program

#Question id: 18774

#Part-A Aptitude & General Biotechnology

The above Scatchard plots are based on repeated equilibrium dialyses with a constant concentration of antibody and varying concentration of ligand. In these plots, r equals moles of bound ligand/mole antibody and c is the concentration of free ligand, (Ka) is slope while intercept on x axis represent 

TLS Online TPP Program

#Question id: 18775

#Part-A Aptitude & General Biotechnology

which of the following technique is a highly sensitive and quantitative procedure that utilizes radioactively labelled antigen or antibody

TLS Online TPP Program

#Question id: 18776

#Part-A Aptitude & General Biotechnology

In Western blotting, a protein mixture is separated by electrophoresis; then the protein bands are electrophoretically transferred onto nitrocellulose and identified with 

TLS Online TPP Program

#Question id: 18777

#Part-A Aptitude & General Biotechnology

which of the following technique using antibodies labelled with fluorescent molecules can be used to visualize antigen on or within cells.

TLS Online TPP Program

#Question id: 18778

#Part-A Aptitude & General Biotechnology

which of the following technique provides an unusually powerful technology for the quantitative analysis and sorting of cell populations labelled with one or more fluorescent antibodies.