Function of endonucleases:
Ans. A. Cut DNA at specific DNA sequences(Ref: Harper 31/e page433)Restriction endonuclease cut DNA at specific palindromic sites.These enzymes are isolated from bacteria.They restrict the entry of phages into the bacteria.
Cut DNA at specific DNA sequences
To point out the coding regions
Enhancers
To find out antibiotic resistance
Molecular Biology Techniques