The enzymes which are absolutely necessary for "r" -DNA technology are

The enzymes which are absolutely necessary for recombinant DNA technology are :

Enzymes necessary for recombinant DNA technology are

Which of these is NOT absolutely necessary

The enzyme which relaxes supercoiled DNA is :

Recombinant DNA or r DNA technology was discovered by

Which structure is absolutely necessary for the many biological activites of proteins?

………………. Enzymes are used as biological scissors in r-DNA technology.

Recombinant DNA technology.

Which of the following structure of protein is absolutely necessary for the many biological activities of proteins ?

Which of the following enzymes is not a tool for rDNA technology ?