Q. The linking of antibiotic resistance gene with the plasmid vector became possible with
A) DNA ligase
B) Endonucleases
C) DNA polymerase
D) Exonucleases
Explanation
DNA ligase is used to seal the nicks that remain in recombinant DNA molecule. In fact DNA ligase joins together the neighbouring nucleotides flanking a discontinuity in a DNA strand by forming a phosphodiester bond.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.