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abiogenesis

Tags
bio/astro
bio/eco
cegep/3
Word count
64 words
Reading time
1 minute

Origin of life from inorganic compounds

Abiotic synthesis

Spontaneous formation of small organic molecules from inorganic molecules

2 hypotheses:

  • Prebiotic soup hypothesis

    • Organic molecules formed in the atmosphere
  • Iron-sulfur world hypothesis

    • Organic molecules formed at hydrothermal vents on the ocean floor
  • Joined to form proteins and nucleic acids

  • Packaged into protocells

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