71. A single strand of nucleic acid tagged with a radioactive molecule is called (1) Probe (2) Vector (3) Selectable marker (4) Plasmid Answer : Probe...
Which one is a true statement regarding DNA polymerase used in PCR ? (1) It remains active at hight temperature (2) It is used to ligate introduced DNA in recipient cells (3) It serves as a selectable marker (4) It is isolated from a virus Answer : (2) It is used to ligate introduced DNA in recipient cells...
7. In a recombinant DNA technology a plasmid vector must be cleaved by a) the same enzyme that leaves the donor gene b) modified DNA ligase c) a heated alkaline solution d) four separate enzymes Answer : a) the same enzyme that leaves the donor gene...
Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes ? (1) Retrovirus (2) Ti plasmid (3) phage (4) pBR 322 Answer : (1) Retrovirus...
DNA present in a structural gene that does not seem to have a specific coding function is known as what? Answer : ANSWER: INTRON...
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