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? White No colour is produced Blue Brown White No colour is produced Blue Brown 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 Antibody to HIV only Presence of free, circulating virus in the patient Antibodies directed against HLA molecules Antigen to HIV only Antibody to HIV only Presence of free, circulating virus in the patient Antibodies directed against HLA molecules ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques RAST test (radio allergosorbent test) is often used to detect None of these bacteriophages antibodies associated with allergies (IgE) antigen associated with allergies (IgE) None of these bacteriophages antibodies associated with allergies (IgE) antigen associated with allergies (IgE) ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following is a positively charged matrix for ion exchange chromatography? CM cellulose Phosphocellulose DEAE cellulose None of these CM cellulose Phosphocellulose DEAE cellulose None of these ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following radioactive element is generally involved in RIA? Carbon-14 Tritium Iodine-125 All of these Carbon-14 Tritium Iodine-125 All of these ANSWER DOWNLOAD EXAMIANS APP
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