Chapter 9

subgroup of species

Domain Kingdom Phylum Class Order Family Genus Species

Bacteria, Archaea, Eukarya

nucleus; includes all plants and animals, including people

single celled organisms without a nucleus

Look like bacteria but have diff. genes for managing and reading out of their DNA

Both have cell walls, but archaea lack peptidoglycan; Bacteria have fatty acids in membranes, archaea have isoprene's; bacteria lack histone

organisms taken in by larger host can function as organelle

Transduction; Transformation; Conjugation

bacteria take up foreign DNA form surrounding environment

movement of genes between bacteria and viruses that infect it

exchange of DNA