Immunological Techniques An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that there was more than one antigen the antibody was impure there was one antibody and one antigen the temperature was too high there was more than one antigen the antibody was impure there was one antibody and one antigen the temperature was too high 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 Brown No colour is produced White Blue Brown No colour is produced 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 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 The ELISA would develop normally All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following radioactive element is generally involved in RIA? Iodine-125 All of these Tritium Carbon-14 Iodine-125 All of these Tritium Carbon-14 ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Radial Immunodiffusion is similar to double-diffusion all of these Ouchterloney technique gel diffusion double-diffusion all of these Ouchterloney technique gel diffusion 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? 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 Open circular, linear plasmid, super coiled plasmid Open circular, super coiled, linear plasmid DNA Open circular, super coiled, linear plasmid DNA ANSWER DOWNLOAD EXAMIANS APP
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