Immunological Techniques
The competitive immunoassay can be used

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

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Immunological Techniques
In Counter immunoelectrophoresis

the antibody will migrate towards cathode
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 anode

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Immunological Techniques
In Rocket Immunodiffusion the length of the rocket is

proportional to the amount of antibody placed in each well
inversely proportional to the amount of antibody placed in each well
proportional to the amount of antigen placed in each well
inversely proportional to the amount of antigen placed in each well

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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?

None of these
The ELISA would develop normally
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

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