Essential Characteristics of Life

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Uploaded by on Jun 21, 2011

005 - Essential Characteristics of Life are Conserved

Paul Andersen describes three main characteristics of life that are conserved in all organisms on the planet. The universal genetic code, the central dogma of biology, and shared metabolic pathways give us details of the original universal ancestor. He also explains how eukaryotic cells gained complexity through infolding of the cell membrane and endosymbiosis.

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  • Would have been nice if you'd credited Rosalind Franklin properly =[

  • Great video as always. The entymology of the word Eukaryote and Prokaryote...

    "karyote" means "kernel" (refering to the nucleus)

    "Eu" means "true"

    "Pro" means "before"

    So a Eukaryote is a "true kernel" and a Prokaryote is "before kernel"

  • nice intersting theories about how these structures evolved.

    where can i get more information about it?

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