Immunological Techniques What radioactive molecule is used to end-label an oligonucleotide? Any of these (gamma)-32P-ATP (alpha)-32P-dUTP (alpha)-32P-ATP Any of these (gamma)-32P-ATP (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 None of these Phosphocellulose CM cellulose DEAE cellulose None of these Phosphocellulose CM cellulose ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Different form of a plasmid, on an agarose gel, after electrophoresis may be in which of the following sequence in decreasing molecular weight? Linear plasmid, open circular, super coiled plasmid Open circular, linear plasmid, super coiled plasmid Open circular, super coiled, linear plasmid DNA Open circular, super coiled, linear plasmid DNA Linear plasmid, open circular, super coiled plasmid Open circular, linear plasmid, super coiled plasmid Open circular, super coiled, linear plasmid DNA Open circular, super coiled, linear plasmid DNA 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? No colour is produced Blue White Brown No colour is produced Blue White 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 the temperature was too high there was more than one antigen the antibody was impure there was one antibody and one antigen the temperature was too high there was more than one antigen ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Which of the following radioactive element is generally involved in RIA? Tritium Carbon-14 Iodine-125 All of these Tritium Carbon-14 Iodine-125 All of these ANSWER DOWNLOAD EXAMIANS APP