The Origin of Life

acetaldehyde action activity aldehyde ammonia animals aqueous assimilation asymmetric asymmetric synthesis atmosphere atoms bacteria biochemical butyric acid butyric acid fermentation carbon dioxide catalysts chain chemical reactions chemical transformations chlorophyll coazervate coazervate droplet colloidal colloidal particles colloidal systems complex components cyanogen definite developed Earth Earth's surface elements energy enzymatic enzymes evolution of organic existence experiments external forces formation ganic germs H₂O hydration hydrocarbons hydrogen hydrosphere hydroxyl inner physico-chemical inorganic instance investigations lactic acid liquid living cell living matter living organisms living things mass metabolism metals meteorites microorganisms mixture molecular molecules of water natural nitrogen organic compounds organic matter organic sub organic substances origin oxidation oxygen Pasteur Pflüger photosynthesis physico-chemical organization physico-chemical structure pigment planet polymerization possible present primary organisms primitive problem properties protein protoplasm pyruvic acid respiration result separate simplest solar solution spontaneous stances stars sugar Sun's synthesis temperature theory tion velocity