Question

What is the primary function of a vector in recombinant DNA technology?

Options

• It degrades foreign DNA inside the host cell to prevent viral infections

• It is a DNA molecule that carries foreign DNA into a host cell to help replicate and maintain it

• It provides nutritional support to bacteria during cell division

• It acts exclusively as an enzyme to join DNA fragments together

Answer 1

A vector is defined as a DNA molecule that carries foreign DNA into a host cell. It helps replicate and maintain the inserted DNA inside the host.