The Chemical Origin of Life |
From inside the book
Results 1-3 of 22
Page xxi
... complicated systems of adaptation . If life did not exist on our planet outside the oceans ( if there were no terrestrial animals or plants ) then it would be extremely difficult to imagine the possible occurrence of such life ...
... complicated systems of adaptation . If life did not exist on our planet outside the oceans ( if there were no terrestrial animals or plants ) then it would be extremely difficult to imagine the possible occurrence of such life ...
Page xxiii
... complicated and highly developed forms of the motion of matter . Thus we may picture the evolution of matter in the Uni- verse to ourselves schematically as being like a system of divergent paths , particular branches of which can lead ...
... complicated and highly developed forms of the motion of matter . Thus we may picture the evolution of matter in the Uni- verse to ourselves schematically as being like a system of divergent paths , particular branches of which can lead ...
Page 68
... complicated net- work of metabolism consisting of a very large number of reactions . As we shall see later , this network may vary very greatly from one representative of the living world to the next , but it must necessarily contain ...
... complicated net- work of metabolism consisting of a very large number of reactions . As we shall see later , this network may vary very greatly from one representative of the living world to the next , but it must necessarily contain ...
Contents
Chapter | 3 |
The Origin of the EARLIEST ORGANISMS | 42 |
THE FURTHER EVOLUTION OF | 74 |
Copyright | |
3 other sections not shown
Other editions - View all
Common terms and phrases
abiogenic synthesis actualistic aerobic algae amino acids amount anaerobic arisen atmosphere basis biochemical biological carbon compounds carbonaceous chondrites catalytic chain chemical coacervate droplets comets complicated composition concentration considerable contemporary organisms cosmic course crust deposits Earth electron environment enzymes evolution of organic evolutionary existence external medium formation formed free oxygen further evolution galaxy gases geological gum arabic heavenly bodies heavy elements heterotrophic hydrocarbons hydrogen sulphide hydrosphere increase individual inorganic isotopes large number light living things material mechanisms ment metabolism meteorites microscope model experiments molecular molecules mononucleotide natural selection nucleic acids obtained occur Oparin organic compounds organic substances organisation origin oxidation oxido-reductive oxygen particular period photosynthesis planet polymerisation polymers polynucleotides polypeptides porphyrins possible pre-actualistic present primaeval broth primaeval nutrient broth prolonged evolution protein protobionts pyruvate radiation radioactive reactions reducing residues Riphean Schramm stage stars structure surface surrounding medium tion took place transformations ultraviolet whole