Biochemical evolution

In dependence on what initial matter was there are two main methodological approaches to the problem of origins of life that are genobiosis meaning life based on only NA in contrast to holobiosis meaning life with genotype and phenotype being evolvable. According to this theory there were three stages that led to the appearance of life on earth and these stages were the next:

- the appearance of organic matter

- the appearance of protein

- the appearance of protein bodies

According to astronomic investigations stars and planet systems appeared from the matter made of gas and dust. Together with metals and oxides it contained hydrogen, ammonia, water and methane.

When the initial ocean appeared it was favourable for the formation of protein structures. Methane could be influenced by numerous reactions under the water. In the result of such complicity, molecules could turn into more complicated organic matters it means they could turn into carbohydrates.

Scientific researches proved that with the help of ultraviolet rays it is possible to make artificially not only amino acids but also more complicated protein matters. RNA is also considered to be one of the life appearance stages on earth. It means it is responsible for the information kept in cells and catalysis of the chemical reactions made by molecules of RNA. Later with their association the modern DNA-RNA-protein life conception was formed.