Topic : tools of recombinant dna technology

Choose the incorrect statement.

Given below are two statements: Statement I: The DNA fragments extracted from gel electrophoresis can be used in construction of recombinant DNA. Statement II: Smaller size DNA fragments are observed near anode while larger fragments are found near the wells in an agarose gel. In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following enzyme(s) are NOT essential for gene cloning? A. Restriction enzymes B. DNA ligase C. DNA mutase D. DNA recombinase E. DNA polymerase Choose the correct answer from the options given below:

Read the following statements and choose the correct option. Statement-A : In gel electrophoresis, the undigested DNA fragment is likely to cover least distance. Statement-B : Any piece of DNA when linked to ori site can be made to replicate within host cells irrespective to its source.