$GAATTC$ is the recognition site for the restriction endonuclease

Due to chloramphenicol resistance gene, one is able to select a transformed cell in the presence of chloramphenicol. The chloramphenicol resistance gene in this case is called

Explain restriction enzymes and their nomencleture.

Agarose extracted from sea weeds which isused in

Following enzymes/chemical/technique are used in the process of gel electrophoresis

$I.$ sample $DNA$ is cut into fragments

$II.$ restriction endonucleases

$III.$ agarose gel

$IV.$ ethidium bromide

$V.$ UV-radiation

$VI.$ elution

Mark the correct sequence of their use