Immunological Techniques Which of the following is an immunodiffusion test? Double-diffusion Ouchterloney technique All of these Gel diffusion Double-diffusion Ouchterloney technique All of these Gel diffusion 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 radioactive molecule is used to end-label an oligonucleotide? Any of these (gamma)-32P-ATP (alpha)-32P-ATP (alpha)-32P-dUTP Any of these (gamma)-32P-ATP (alpha)-32P-ATP (alpha)-32P-dUTP ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Immunoelectrophoresis techniques are designed to separate the mixture components from each other by using electrophoresis prior to reaction with antigen after reaction with antigen after reaction with antibody prior to reaction with antibody prior to reaction with antigen after reaction with antigen after reaction with antibody prior to reaction with antibody 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 not bind and be washed away Both (a) and (b) The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would bind non-specifically to the ELISA plate Anti-human Ig-conjugate would not bind and be washed away Both (a) and (b) The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would bind non-specifically to the ELISA plate ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What is the ELISA test intended to measure? 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 Presence of free, circulating virus in the patient Antigen to HIV only ANSWER DOWNLOAD EXAMIANS APP
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