Discuss with your teacher and find out how to distinguish between
(i) Plasmid DNA and chromosomal DNA.
(ii) DNA and RNA.
(iii) Exonucleases and endonucleases.
(i) Differences between plasmid and chromosomal DNA are:
(ii) Differences between DNA and RNA are:
(iii) Refer to text on page substrate. Whereas, non-transformed cells will make blue-coloured colonies as their enzyme will be active.