“Core metabolism has changed little in part because it was never powered down in its four-billion-year history. The genes are custodians of this flame, but without the flame life is – dead.” History Of ScienceMetabolismBiochemistry And Life Book:Transformer: The Deep Chemistry of Life and Death Source: Transformer: The Deep Chemistry of Life and Death
“It seems that all eukaryotic cells either have, or once had (and then lost) mitochondria. In other words, possession of mitochondria is a sine qua non of the eukaryotic condition” ScienceBiologyMitochondria Book:Power, Sex, Suicide: Mitochondria and the Meaning of Life Source: Power, Sex, Suicide: Mitochondria and the Meaning of Life