Immunological Techniques What is the ELISA test intended to measure? Antibodies directed against HLA molecules Antibody to HIV only Presence of free, circulating virus in the patient Antigen to HIV only Antibodies directed against HLA molecules Antibody to HIV only Presence of free, circulating virus in the patient Antigen to HIV only ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Immunoaffinity chromatography can be used in biochemical applications to break down antigen and analyze quantitatively None of these break down antibody structure purify protein antigen break down antigen and analyze quantitatively None of these break down antibody structure purify protein antigen 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 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 is an immunoelectrophoresis technique? Both (a) and (b) Two-dimensional immunoelectrophoresis Coimmunoelectrophoresis Counterimmunoelectrophoresis Both (a) and (b) Two-dimensional immunoelectrophoresis Coimmunoelectrophoresis Counterimmunoelectrophoresis 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? White Blue Brown No colour is produced White Blue Brown No colour is produced ANSWER DOWNLOAD EXAMIANS APP