Immunological Techniques
Immunoaffinity chromatography can be used in biochemical applications to

break down antibody structure
purify protein antigen
None of these
break down antigen and analyze quantitatively

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Immunological Techniques
What would happen if the anti-human Ig-conjugate is not washed free of the well before the substrate is added?

All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate
None of these
The ELISA would develop normally
The ELISA would not develop when the substrate was added

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Immunological Techniques
Different form of a plasmid, on an agarose gel, after electrophoresis may be in which of the following sequence in decreasing molecular weight?

Open circular, super coiled, linear plasmid DNA
Open circular, super coiled, linear plasmid DNA
Linear plasmid, open circular, super coiled plasmid
Open circular, linear plasmid, super coiled plasmid

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Immunological Techniques
In Counter immunoelectrophoresis

the antibody will migrate towards anode
electrophoresis will drive the antibody and antigen toward each other
electrophoresis will drive the antibody and antigen parallel to each other
the antibody will migrate towards cathode

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