Immunological Techniques What is the ELISA test intended to measure? Antigen to HIV only Antibodies directed against HLA molecules Presence of free, circulating virus in the patient Antibody to HIV only Antigen to HIV only Antibodies directed against HLA molecules Presence of free, circulating virus in the patient Antibody to HIV only ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Rocket Immunodiffusion is also known as double-diffusion electroimmunodiffusion none of these gel diffusion double-diffusion electroimmunodiffusion none of these gel diffusion 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 White No colour is produced Brown Blue White No colour is produced Brown 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 one antibody and one antigen there was more than one antigen the temperature was too high the antibody was impure there was one antibody and one antigen there was more than one antigen the temperature was too high ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What would happen if serum is omitted from the ELISA, but all other steps remain same? The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would bind non-specifically to the ELISA plate Both (a) and (b) Anti-human Ig-conjugate would not bind and be washed away The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would bind non-specifically to the ELISA plate Both (a) and (b) Anti-human Ig-conjugate would not bind and be washed away ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What is approximatively the half life of 32-Phosphorus? 30 days 14 days 28 days 42 days 30 days 14 days 28 days 42 days ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS