endosymbiotic theory

endosymbiotic theory
The theory that concerns the origins of mitochondria and chloroplasts, which are organelles of eukaryotic cells.

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  • Endosymbiotic theory — The endosymbiotic theory concerns the origins of mitochondria and plastids (e.g. chloroplasts), which are organelles of eukaryotic cells. According to this theory, these organelles originated as separate prokaryotic organisms which were taken… …   Wikipedia

  • endosymbiotic theory — (endosymbiotic hypothesis) The theory that eucaryotic organelles such as mitochondria and chloroplasts arose when bacteria established an endosymbiotic relationship with the eucaryotic ancestor and then evolved into eucaryotic organelles …   Dictionary of microbiology

  • endosymbiotic — adjective a) Of or pertaining to endosymbiosis. b) That lives within a body or cells of another organism. Forming an endosymbiosis. See Also: endosymbiont, endosymbiosis, endosymbiotic theory, symbiosis, symbiotic …   Wiktionary

  • Lynn Margulis — Born March 5, 1938 (1938 03 05) (age 73) Chicago …   Wikipedia

  • Endosymbiont — An endosymbiont is any organism that lives within the body or cells of another organism, i.e. forming an endosymbiosis (Greek: ἔνδον endon within , σύν syn together and βίωσις biosis living ). Examples are nitrogen fixing bacteria (called… …   Wikipedia

  • Mitochondrion — For the metal band, see Mitochondrion (band). Two mitochondria from mammalian lung tissue displaying their matrix and membranes as shown by electron microscopy …   Wikipedia

  • Cell (biology) — Allium cells in different phases of the cell cycle …   Wikipedia

  • History of evolutionary thought — This article is about the history of evolutionary thought in biology. For the history of evolutionary thought in the social sciences, see Sociocultural evolution. For the history of religious discussions, see History of the creation evolution… …   Wikipedia

  • Cyanobacteria — Temporal range: 3500–0 Ma Had n Archean …   Wikipedia

  • Organelle — A typical animal cell. Within the cytoplasm, the major organelles and cellular structures include: (1) nucleolus (2) nucleus (3) ribosome (4) vesicle (5) rough endoplasmic reticulum (6) Golgi apparatus …   Wikipedia

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