Compare Bacteria, Archaea and Eukarya by interpreting cell structures, genetic evidence and characteristic features to classify organisms in Cambridge A Level Biology questions.
Genetic technology uses many different enzymes and techniques.
Restriction endonucleases are used in genetic modification. These enzymes occur naturally in prokaryotic cells. More than 3500 different restriction endonucleases have been identified and it is thought there are many more to discover.
Name two domains that are a source of restriction endonucleases.
Bacteria and Archaea ;