Immunological Techniques
The competitive immunoassay can be used

commonly to detect trace amounts of drugs.
to detect antibody associated with allergies (IgE)
to detect very small amounts of antigen
both (a) and (b)

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

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

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