Universal Ancestor
* DNA as Genetic Storage
* Ester Bonds in Cell Membranes

Bacteria
* Presence of Peptidoglycan in Cell Wall

Common Ancestor
of Archaea and Eukarya
* Histones Present

Archaea
* Ether Bonds in Cell Membranes

Eukarya
* Presence of Membrane-Bound Nucleus
* Presence of Membrane-Bound Organelles

Protista*Unicellular

Subtopic

Subtopic