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serial endosymbiosis theory
evolutionary theory
Also known as: SET, serial endosymbiotic theory
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development by Margulis
- In Lynn Margulis
…was an American biologist whose serial endosymbiotic theory of eukaryotic cell development revolutionized the modern concept of how life arose on Earth.
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organelle derivation in protists
- In protist: Fossil protists and eukaryotic evolution
The serial endosymbiosis theory (or SET) offers one explanation of the origin of cytoplasmic organelles, particularly the mitochondria and plastids found in many protists. According to SET, certain primitive prokaryotes were engulfed by other, different prokaryotes. The structures and functions of the first were ultimately incorporated…
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