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Evolution of Protists definitions

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Termini in questo insieme (15)

  • Primary Endosymbiosis
    A process where a host cell engulfs a prokaryotic cell, resulting in organelles like mitochondria or chloroplasts in eukaryotes.
  • Secondary Endosymbiosis
    A process where a host cell engulfs a eukaryotic cell, leading to organelles with three or more membranes in complex eukaryotes.
  • Mitochondria
    An organelle believed to have originated from an aerobic bacterium through primary endosymbiosis, present in most eukaryotes.
  • Chloroplast
    A photosynthetic organelle derived from a photosynthetic bacterium via primary endosymbiosis, found in algae and plants.
  • Eukaryote
    A cell type characterized by membrane-bound organelles, including those formed through endosymbiotic events.
  • Prokaryotic Cell
    A simple cell lacking a nucleus, often engulfed during primary endosymbiosis to form organelles in eukaryotes.
  • Symbiotic Relationship
    A close association where one organism lives inside another, often resulting in mutual benefit and organelle formation.
  • Red Algae
    A photosynthetic eukaryotic lineage that originated via primary endosymbiosis and contributed to diversity through secondary endosymbiosis.
  • Green Algae
    A photosynthetic eukaryotic group formed by primary endosymbiosis, later involved in secondary endosymbiotic events.
  • Photosynthetic Lineage
    A group of organisms capable of photosynthesis, often arising from endosymbiotic events involving algae.
  • Organelle
    A specialized structure within eukaryotic cells, such as mitochondria or chloroplasts, often with an endosymbiotic origin.
  • Membrane
    A biological barrier that can surround organelles, with three or more layers indicating secondary endosymbiotic origin.
  • Host Cell
    A cell that engulfs another organism, initiating endosymbiotic events leading to new organelles.
  • Alveolate
    A eukaryotic group derived from secondary endosymbiosis, containing organelles with multiple membranes.
  • Chlorarachnephyte
    A lineage of photosynthetic eukaryotes formed through secondary endosymbiosis involving green algae.