biochemical predestination |
Contents
References | 37 |
Limestones | 68 |
RECONSTRUCTING THE PRIMITIVE SCENARIO | 80 |
Copyright | |
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absolute age Academic Press Inc adenine alanine aldehydes amino acids ammonia appearance aqueous solution aspartic acid billion biochemical biogenesis biological biomonomers carbon Chap chapter Chem chemical evolution coacervates colloidal complex compounds contemporary cyanide dehydration condensation dicyanamide dipeptide discussed energy enzyme equilibrium evidence example experimental flask formation formed fossil free-energy gaseous gases geologic glutamic acid glycine H₂ H₂O heating hydrogen hydrolysis hydrosphere involved irradiation isotopes living cells living systems mechanism metabolism methane microspheres mineral mixture molecular molecules nature nitriles nucleic acids observed occur Oparin organic oxygen peptide bond percent phosphate planetesimal planets polymer polymerization polypeptides possible Prebiological Systems Precambrian present primitive atmosphere primitive Earth conditions primordial probably problem proteinoid proteins radiation reactants reaction rocks S. W. Fox sample sedimentary sediments sequences simple simulation experiments solar sparking spheres spontaneous structures suggested surface synthesis temperature thermal tion ultraviolet Urey yield York