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Eukaryotic Origins
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The Evolution of Plastids

Red and green algae

Red and green algae

(a) Red algae and (b) green algae (visualized by light microscopy) share similar DNA sequences with photosynthetic cyanobacteria. Scientists speculate that, in a process called endosymbiosis, an ancestral prokaryote engulfed a photosynthetic cyanobacterium that evolved into modern-day chloroplasts.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "OpenStax College, Eukaryotic Origins. October 16, 2013."
    http://cnx.org/content/m44614/latest/Figure_23_01_03ab.jpg OpenStax CNX CC BY 3.0.

Related Terms

  • chloroplast
  • thylakoid
  • plastid
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