Question: Different form of a plasmid, on an agarose gel, after electrophoresis may be in which of the following sequence in decreasing molecular weight? [A]. Open circular, super coiled, linear plasmid DNA [B]. Linear plasmid, open circular, super coiled plasmid…

Question: Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively [A]. 2000 kb and 20kb DNA [B]. 1000 kb and l0kb DNA [C]. 20 kb and 2000 kb DNA [D]. 10 kb and 1000 kb…

Question: Agarose a porous matrix used in various molecular biology technique is made by repetitive units of [A]. maltose [B]. agarobiose [C]. agar [D]. none of these Answer: Option A Explanation: No answer description available for this question.

Question: DNA- footprinting is a suitable technique for identifying which of the following? [A]. Particular mRNA in mixture [B]. Particular t-RNA in mixture [C]. Introns within DNA [D]. Protein binding site within DNA Answer: Option D Explanation: No answer description…

Question: In Counter immunoelectrophoresis [A]. electrophoresis will drive the antibody and antigen parallel to each other [B]. electrophoresis will drive the antibody and antigen toward each other [C]. the antibody will migrate towards anode [D]. the antibody will migrate towards…

Question: In Rocket Immunodiffusion the length of the rocket is [A]. proportional to the amount of antibody placed in each well [B]. inversely proportional to the amount of antibody placed in each well [C]. inversely proportional to the amount of…

Question: Which of the following radioactive element is generally involved in RIA? [A]. Tritium [B]. Carbon-14 [C]. Iodine-125 [D]. All of these Answer: Option D Explanation: No answer description available for this question.

Question: An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that [A]. there was more than one antigen [B]. the antibody was impure [C]. the temperature was too high [D]. there was one…