Question

In a recombinant $DNA$ technique the term vector refers to

• A. plasmids that can transfer foreign $DNA$ into a living cell
• B. cosmids that can cut $DNA$ at specific base sequence
• C. plasmids that can join different $DNA$ fragments
• D. cosmids that can degrade harmful proteins

Answer 1

The correct option is A plasmids that can transfer foreign $DNA$ into a living cell

In recombinant DNA technology, the term vector refers to a plasmid or other agent used to transfer DNA into a living cell. A cloning vector is a DNA molecule that can carry foreign DNA into a cell and replicate there.

So, the correct option is 'Plasmids that can transfer foreign DNA into a living cell'.