In most eukaryotes cytokinesis is brought about by a contractile actin ring located at the division plane. (science.sciencemag.org)
Mitochondria provide energy for most eukaryotes, but not for a new microbe living in the guts of a chinchilla. (sciencemag.org)
In most eukaryotes, these protein - carrying vesicles are released and further modified in stacks of flattened vesicles, called Golgi bodies or dictyosomes. (fossilmuseum.net)