Immunological Techniques An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that the antibody was impure the temperature was too high there was one antibody and one antigen there was more than one antigen the antibody was impure the temperature was too high there was one antibody and one antigen there was more than one antigen ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques The competitive immunoassay can be used to detect very small amounts of antigen to detect antibody associated with allergies (IgE) both (a) and (b) commonly to detect trace amounts of drugs. to detect very small amounts of antigen to detect antibody associated with allergies (IgE) both (a) and (b) commonly to detect trace amounts of drugs. ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following is an immunoelectrophoresis technique? Two-dimensional immunoelectrophoresis Coimmunoelectrophoresis Counterimmunoelectrophoresis Both (a) and (b) Two-dimensional immunoelectrophoresis Coimmunoelectrophoresis Counterimmunoelectrophoresis Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What would happen if serum is omitted from the ELISA, but all other steps remain same? Both (a) and (b) The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would not bind and be washed away Anti-human Ig-conjugate would bind non-specifically to the ELISA plate Both (a) and (b) The OD values would be nearly the same as the assay control Anti-human Ig-conjugate would not bind and be washed away Anti-human Ig-conjugate would bind non-specifically to the ELISA plate ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What radioactive molecule is used to end-label an oligonucleotide? (gamma)-32P-ATP Any of these (alpha)-32P-dUTP (alpha)-32P-ATP (gamma)-32P-ATP Any of these (alpha)-32P-dUTP (alpha)-32P-ATP ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following is a positively charged matrix for ion exchange chromatography? DEAE cellulose CM cellulose Phosphocellulose None of these DEAE cellulose CM cellulose Phosphocellulose None of these ANSWER DOWNLOAD EXAMIANS APP
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