WebThe evolutionary origin of eubacterial flagellae is probably an example of indirect evolution. A hypothesis on the evolutionary pathway of the eubacterial flagellum argues that a secretory system evolved first, based around the SMC rod- and pore-forming complex. This is presumed to be the common ancestor of the type-III secretory system and the ... WebThe eukaryotic cell seems to have evolved from a symbiotic community of prokaryotic cells. DNA-bearing organelles like mitochondria and chloroplasts are remnants of ancient symbiotic oxygen-breathing …
The Origin and Diversification of Mitochondria - ScienceDirect
WebThere is good evidence that the bacterial flagellum has evolved from a Type III secretory and transport system, given the similarity of proteins in both systems. All currently known … WebIn this model, ancestral mitochondria were small heterotrophs capable of using oxygen to perform cellular respiration and thereby create useful energy. They became part of a large cell either by direct invasion as an internal parasite or as an indigestible food source. im not the imposter its in your head lyrics
Eukaryotes and their Origins Organismal Biology
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