Immunological Techniques RAST test (radio allergosorbent test) is often used to detect antibodies associated with allergies (IgE) bacteriophages antigen associated with allergies (IgE) None of these antibodies associated with allergies (IgE) bacteriophages antigen associated with allergies (IgE) None of these 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? Brown Blue White No colour is produced Brown Blue White No colour is produced 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 All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate 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 None of these The ELISA would develop normally ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Radial Immunodiffusion is similar to double-diffusion gel diffusion Ouchterloney technique all of these double-diffusion gel diffusion Ouchterloney technique all of these ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that there was one antibody and one antigen the temperature was too high the antibody was impure there was more than one antigen there was one antibody and one antigen the temperature was too high the antibody was impure there was more than one antigen ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What is the ELISA test intended to measure? 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 Antibodies directed against HLA molecules ANSWER DOWNLOAD EXAMIANS APP
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