Restriction enzymes are used in genetic engineering because they

$A$ plasmid is a ...

Given below are two statements:
Statement $I:$
Restriction endonucleases recognise specific sequences to cut $DNA$,known as palindromic nucleotide sequences.
Statement $II:$
Restriction endonucleases cut the $DNA$ strand a little away from the centre of the palindromic site.
In the light of the above statements,choose the most appropriate answer from the options given below:

Primers are

$PCR$ technique was invented by

What is the correct nomenclature for restriction enzyme-$I$,obtained from $Bacillus$ $amyloliquefaciens$ $H$?