Which is the most competent host for DNA technology and why ?

Why E.Coli is used as competent host in r DNA technology?

Recombiant DNA or rDNA technology was discovered by

Which one is not a process of recombinant DNA technology ?

List the step involved in recombinant DNA technology.

How bacteria take up plasmid during the process of recombinant DNA technology ?

With a simple sketch show the steps of recombinant DNA technology.

Read the following four statements (A-D) about certain mistakes in two of them: The first transgenic buffalo Rosie produced milk which was human alpha-lactalbumin enriched. Restriction enzymes are used in isolation of DNA from other macro-molecules Downstream processing is one of the steps of R-DNA technology. Disarmed pathogen vectors are also used in transfer of R-DNA into the host.

Which one of these is not a tool of recombinant DNA technology?