Agarose,extracted from sea weeds,is used in which of the following?

Using recombinant technology,genes from a donor cell can be transplanted into a bacterium for $DNA$ replication and protein synthesis. The kinds of cells that can be used as a donor in this technology are

The enzyme known as restriction endonuclease:

Which of the following is used in recombinant $DNA$ technique?

Plasmids are suitable vectors for gene cloning because

Which one of the following is regarded as a natural genetic engineer?