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EVENT 1: Formation of the UNIVERSE - PowerPoint PPT Presentation


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EVENT 1: Formation of the UNIVERSE. Air composition Early atm. EVENT 2: Formation of the EARTH. Complex molecules “Mud formation”. EVENT 3: Mixture of elements. CO2 — Carbon dioxide CO — Carbon monoxide H2O — Water N2 — Nitrogen CH4 — Methane NH3 — Ammonia.

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Presentation Transcript
slide2

Air composition

Early atm

EVENT 2: Formation of the EARTH

slide3

Complex molecules

“Mud formation”

EVENT 3: Mixture of elements

slide4

CO2 — Carbon dioxide

  • CO — Carbon monoxide
  • H2O — Water
  • N2 — Nitrogen
  • CH4 — Methane
  • NH3 — Ammonia

EVENT 4: Formation of small units

slide5

Oparin-Haldane

Miller-Urey

Experiments

EVENT 5:Formation of Macromolecules

slide6

Proteins

Polysaccharides

Nucleotides

Lipids and Fats

CELL-like

structures composed of these Macromolecules

EVENT 6:Macromolecules to Pre-CELLS

slide8

RNA or AATE?

EVENT 8: Pre-CELLS to Living CELLS

slide9

5 Descriptions of FIRST LIFE

  • Unicellular
  • Asexually reproducing
  • Aquatic environment
  • RNA containing
  • heterotrophic