The theory of Initial Ocean and atmosphere Essay Example for Free

The theory of Initial Ocean and atmosphere Essay In 1953 Stanley Miller put the atmosphere consisting of hydrogen, methane, ammonia and steam to the experiment with electricity discharges. At that some of the numerous amino acids forming albumen were generated. However he succeeded to get only four of twenty amino acids essential for any life-forms to appear. Even in fifty years scientists are still unable to get experimentally all the twenty amino acids needed under conditions that can be called possible. Miller supposed that the initial Earth atmosphere was similar to that inside his experimental camera. Why? He and his colleague expressed the reason later:†Synthesis of biologically important compounds takes place only under restoration conditions (without any free oxygen in atmosphere)†. But according to his opponents oxygen is essential for the beginnings of life on Earth. The difficulty arisen is described by Hitching as following: â€Å"If there was any oxygen in the air the first amino acid would never arise and if there wasn’t it would be destroyed by the Space radiation. That’s highly interesting, Hitching says, that during Miller’s experiment with electricity discharges the four amino acids got survived only because they were taken out of the area of the discharges. If they continued to be there the discharge would decompose them. Supposing the amino acids to somehow get to the oceans and to escape the solar radiation of atmosphere there. And what then? Hitching explains: â€Å"Under the water cover there is not enough energy for the activation of the following chemical reactions; the water itself hampers the synthesis of complex molecules†. Chemist Richard Dickerson considers the following:† It’s hard to imagine polymerization taking place in the initial ocean, because the presence of water assists depolymerization only†. Biochemist George World agrees with the above saying:† It’s much more likely for the spontaneous dilution to happen in water â€Å". All the arguments given above clearly contradict to Stanley Miller’s theory. Yet, it’s still the only one explaining the reality we have.