A step closer to understanding evolution: Mitochondrial division conserved across species

Cellular origin is well explained by the "endosymbiotic theory," which famously states that higher organisms called "eukaryotes" have evolved from more primitive single-celled organisms called "prokaryotes." This theory also explains that mitochondria—energy-producing factories of the cell—are actually derived from prokaryotic bacteria, as part of a process called "endosymbiosis." Biologists believe that their common ancestry is why the structure of mitochondria is "conserved" in eukaryotes, meaning that it is very similar across different species—from the simplest to most complex organisms.

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