Immunological Techniques An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that 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 the antibody was impure there was one antibody and one antigen ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What would happen if serum is omitted from the ELISA, but all other steps remain same? Anti-human Ig-conjugate would bind non-specifically to the ELISA plate The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would not bind and be washed away Both (a) and (b) Anti-human Ig-conjugate would bind non-specifically to the ELISA plate The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would not bind and be washed away Both (a) and (b) 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 DNA- footprinting is a suitable technique for identifying which of the following? Particular t-RNA in mixture Protein binding site within DNA Particular mRNA in mixture Introns within DNA Particular t-RNA in mixture Protein binding site within DNA Particular mRNA in mixture Introns within DNA ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following is an immunoelectrophoresis technique? Both (a) and (b) Two-dimensional immunoelectrophoresis Counterimmunoelectrophoresis Coimmunoelectrophoresis Both (a) and (b) Two-dimensional immunoelectrophoresis Counterimmunoelectrophoresis Coimmunoelectrophoresis ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following radioactive element is generally involved in RIA? All of these Iodine-125 Carbon-14 Tritium All of these Iodine-125 Carbon-14 Tritium ANSWER DOWNLOAD EXAMIANS APP