What does 'competent' refer to in competent cells used in transformation experiments? </h2></div>

Restriction endonucleases are extracted from:</h2></div>

For transformation, micro-particles coated with DNA to be bombarded from gene gun are made up of</h2></div>

Polymerase chain reaction is used for<span><br> </span></h2></div>

The polymerase chain reaction is a technique used for ____________.<br> </h2></div>

State the role of DNA ligase in biotechnology.<br> </h2></div>

Streptomycin was first isolated in 1944 - 45 by ......................<br> </h2></div>

Kary B Mullis got Nobel prize for discovering </h2></div>