Practice Questions

TLS Online TPP Program

#Question id: 665

Which statement is not true about the peptide bond?

#Part-B Specialized Branches in Biotechnology

The peptide bond has partial double-bond character.
The peptide bond is longer than the typical carbon-nitrogen bond.
Rotation is restricted about the peptide bond.
The carbonyl oxygen and the amide hydrogen are most often in a trans configuration with respect to one another.

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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.