Immunological Techniques
DNA- footprinting is a suitable technique for identifying which of the following?

Protein binding site within DNA
Introns within DNA
Particular mRNA in mixture
Particular t-RNA in mixture

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Immunological Techniques
What would happen if serum is omitted from the ELISA, but all other steps remain same?

The OD values would be nearly the same as the assay control
Both (a) and (b)
Anti-human Ig-conjugate would bind non-specifically to the ELISA plate
Anti-human Ig-conjugate would not bind and be washed away

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Immunological Techniques
In Counter immunoelectrophoresis

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

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

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