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
Related Keywords: Words Seems Possession Either Then Once Cells
Related Authors: Albert Szent-Gyorgyi Rita Levi-Montalcini Frederick Sanger Francis Crick Kary Mullis Michael Behe Paul Nurse