Wednesday, June 25, 2008

What is the recipe for life?

The recipe for life is not so complicated. There are a limited number of elements in your body. Most of your mass of carbon, oxygen, hydrogen, sulphur dioxide, and some nitrogen and phosphorus. There are a few dozen other elements that are there traces, but for a first approach, you are only a bag of carbon, oxygen and hydrogen.
Now, it became apparent that the atmosphere is a bag of carbon, oxygen and hydrogen as well, and it was not live. Thus, the real problem here is, as you carbon dioxide in the atmosphere (or the beginning of methane in the atmosphere) and water vapour and other sources of hydrogen, how do you take the simple basis of inorganic substances and makes them the building blocks of life?
It was a famous experiment by Stanley Miller when he was a student at the University of Chicago in the early 1950. Miller, in substance, methane or natural gas, ammonia, hydrogen, gas, steam and water in a bowl. This was not a random mix, then, it has experienced, it was at least an idea of what the atmosphere of origin would have looked like.
Then he has a brilliant thing. It simplifies, an electric charge by the mixture to simulate lightning go early by an atmosphere. After sitting for a few days, suddenly there was this brown goo reaction of all vessels. When he analyzed what happens in the ship, not only with the methane and ammonia, he had indeed amino acids, the building blocks of proteins. Indeed, he had just about in the same proportions, according to you, if you have an organic substance meteorites. While the chemistry of Miller was the discovery of this magnificent experience was not unlikely, certain chemicals, but a chemistry, the most prevalent throughout our solar system.

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