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? Brown White Blue No colour is produced Brown White Blue No colour is produced ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques What radioactive molecule is used to end-label an oligonucleotide? (alpha)-32P-dUTP (gamma)-32P-ATP (alpha)-32P-ATP Any of these (alpha)-32P-dUTP (gamma)-32P-ATP (alpha)-32P-ATP Any of these ANSWER DOWNLOAD EXAMIANS APP
Immunological Techniques Rocket Immunodiffusion is also known as electroimmunodiffusion gel diffusion double-diffusion none of these electroimmunodiffusion gel diffusion double-diffusion none of these 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? Protein binding site within DNA Introns within DNA Particular t-RNA in mixture Particular mRNA in mixture Protein binding site within DNA Introns within DNA Particular t-RNA in mixture Particular mRNA in mixture ANSWER DOWNLOAD EXAMIANS APP