The Origins of Life on the Earth |
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Page 126
... aqueous solution . It must be realized , however , that some compounds that hydrolyze rapidly in solution are quite stable as dry solids . It is possible that some of the compounds which are too unstable to have accumulated in aqueous ...
... aqueous solution . It must be realized , however , that some compounds that hydrolyze rapidly in solution are quite stable as dry solids . It is possible that some of the compounds which are too unstable to have accumulated in aqueous ...
Page 148
... aqueous solution , " Science 161 , 64 ( 1968 ) . C. Ponnamperuma and E. Peterson , “ Peptide synthesis from amino acids in aqueous solution , " Science 147 , 1572 ( 1965 ) . J. D. Ibanez , A. P. Kimball , and J. Oró , “ Possible ...
... aqueous solution , " Science 161 , 64 ( 1968 ) . C. Ponnamperuma and E. Peterson , “ Peptide synthesis from amino acids in aqueous solution , " Science 147 , 1572 ( 1965 ) . J. D. Ibanez , A. P. Kimball , and J. Oró , “ Possible ...
Page 222
Stanley L. Miller, Leslie E. Orgel. occurred in concentrated solution or in the solid state . Thus , concentration mechanisms must have been important for the origins of life . The most obvious method of concentrating dilute aqueous ...
Stanley L. Miller, Leslie E. Orgel. occurred in concentrated solution or in the solid state . Thus , concentration mechanisms must have been important for the origins of life . The most obvious method of concentrating dilute aqueous ...
Contents
PREBIOTIC SYNTHESIS OF PURINES PYRIMIDINES | 8 |
THE COMPOSITION | 12 |
GEOLOGICAL EVIDENCE | 16 |
Copyright | |
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abundant active adenine alanine aldehydes amino acids ammonia ammonium amounts anticodon aqueous solution aspartic acid biochemical biological CaCO3 carbon CH₂ chain chemical chert CO₂ concentration condensation contain COOH cyanoacetylene cytosine decomposition dust cloud electric discharge energy enzyme equilibrium escape layer evolution example formaldehyde formation formed gases genetic geological glutamic acid glycine H₂ H₂N H₂O hydrocarbons hydrogen cyanide hydrolysis hydrolyzed important inorganic L. E. Orgel limestone living organisms material mechanism membranes metabolism meteorites methane minerals mixture molecules N₂ NH₂ nitrogen nucleic acids nucleotides O₂ obtained occur organic compounds origin oxidation oxygen pathways peptide phosphate phosphorylation photochemical photosynthesis planets polymers polynucleotides polypeptides prebiotic prebiotic synthesis Precambrian present pressure primitive atmosphere primitive earth primitive ocean purines reaction replication rocks Schopf Science sequence solar system structure sugars surface t-RNA temperature ultraviolet light volcanoes yield