How did life begin?

Scientific experiments conducted in the 50's and XX century., Showed that at the early stage of the Earth's development of lightning flashes from water and gases formed amino acids - the basis of living matter. But it is still unknown how these substances began to self-replicate , that is to create their exact copies. The mystery of the birth of life is not revealed today. However, it is known that the first form of life was the smallest protobacterium , which originated in a hot, saturated chemical medium.

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