Archaea and bacteria are two different domains of cellular life. They are both prokaryotes, as they are unicellular and lack a nucleus. They also look similar (even under a microscope). However ...

For example, some of the enzymes they use to process, read and replicate their genetic code are very similar to ones found in eukaryotes and very different from those in bacteria. So in Woese’s ...

Together with Bacteria and Eukarya, the Archaea make up the three domains of the tree of life. Originally, it was thought that Archaea were a type of Bacteria, typified by their ability to live in ...