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Miller-Urey conducted an experiment in 1952 and tested the origin of life on prebiotic Earth.It wasdone to test the idea that organic molecules were produced on prehistoric Earth through natural chemical reactions.

These organic molecules have led to life origination from inorganic compounds that reacted with prehistoric stimulation conditions.

The organic molecules such as amino acids were produced in 1952 through a series of chemical reactions of hydrogen, methane, ammonia, and water to test the hypothesis.This duplicated the primitive atmosphere in the apparatus.

These were three reactants in the Miller-Urey experiment. The Miller-Urey experiments synthesized an enzyme named RNA nucleobases in a reducing atmosphere in the presence of carbon dioxide with ammonia.

Oparin and Haldane proposed the heterotrophic origin of life in the early 1920s. They suggested that energy from lightning or ultraviolet radiation has penetrated the environment and resulted in the synthesis of organic compounds.

Miller tested Oparin and Haldane鈥檚 hypothesis in his classic experiment by producing laboratory conditions to form several amino acids. These amino acids form polypeptides and synthesize proteins.