作者: Joseph Seckbach
DOI: 10.1007/978-94-009-1712-5_17
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摘要: The identification of the first organisms is currently not solved. However, it agreed that bacterial cells (Prokaryota or Monera) were pioneering unicellular organisms. These progenitors nucleated compartmentalized eukaryotic cells. evolutionary Eukaryogenesis has occurred (as many speculate), once in several events via, endosymbiosis. This theory may be substantial at least for origin plastids and mitochondria. While (other possibility) autogenous (or Direct Filiation) hypothesis could also have taken place this eukaryosis process. Actually, there are a few proposals pertaining to Origin deduced from 5 s rRNA sequence points out red algae as division. Other molecular analyses suggest diverged very near divergence “crown taxa” (fungi, plants animals).