Immunological Techniques Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively 1000 kb and l0kb DNA 20 kb and 2000 kb DNA 10 kb and 1000 kb DNA 2000 kb and 20kb DNA 1000 kb and l0kb DNA 20 kb and 2000 kb DNA 10 kb and 1000 kb DNA 2000 kb and 20kb DNA ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What is the ELISA test intended to measure? Presence of free, circulating virus in the patient Antigen to HIV only Antibody to HIV only Antibodies directed against HLA molecules Presence of free, circulating virus in the patient Antigen to HIV only Antibody to HIV only Antibodies directed against HLA molecules 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? No colour is produced Blue Brown White No colour is produced Blue Brown White ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques The competitive immunoassay can be used to detect very small amounts of antigen both (a) and (b) to detect antibody associated with allergies (IgE) commonly to detect trace amounts of drugs. to detect very small amounts of antigen both (a) and (b) to detect antibody associated with allergies (IgE) commonly to detect trace amounts of drugs. ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following radioactive element is generally involved in RIA? All of these Carbon-14 Tritium Iodine-125 All of these Carbon-14 Tritium Iodine-125 ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that 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 there was one antibody and one antigen the temperature was too high ANSWER DOWNLOAD EXAMIANS APP