Immunological Techniques Which of the following is an immunodiffusion test? Ouchterloney technique All of these Gel diffusion Double-diffusion Ouchterloney technique All of these Gel diffusion Double-diffusion ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques The IPTG is a gratuitous inducers of (β-galactosidase, and x-gal is a chromogenic substrate. When α-complementation occurs which colour is produced? Blue No colour is produced Brown White Blue No colour is produced Brown White ANSWER DOWNLOAD EXAMIANS APP
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 develop normally All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate The ELISA would not develop when the substrate was added None of these The ELISA would develop normally All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate The ELISA would not develop when the substrate was added None of these ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What is the ELISA test intended to measure? Antibodies directed against HLA molecules Antigen to HIV only Presence of free, circulating virus in the patient Antibody to HIV only Antibodies directed against HLA molecules Antigen to HIV only Presence of free, circulating virus in the patient Antibody to HIV only ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques The competitive immunoassay can be used commonly to detect trace amounts of drugs. to detect antibody associated with allergies (IgE) both (a) and (b) to detect very small amounts of antigen commonly to detect trace amounts of drugs. to detect antibody associated with allergies (IgE) both (a) and (b) to detect very small amounts of antigen ANSWER DOWNLOAD EXAMIANS APP
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, linear plasmid, super coiled plasmid 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 Open circular, super coiled, linear plasmid DNA Open circular, super coiled, linear plasmid DNA Linear plasmid, open circular, super coiled plasmid ANSWER DOWNLOAD EXAMIANS APP
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