Question

In your own words explain the point of the "Origin of Life Experiments" Why were they conducted?

and b) briefly describe the experimental setup and the first and/or second events that happened with these "origin of life" experiments. They were first conducted by Stanley Miller,

Answer 1

If anyone ask you chicken or egg is come first,still we argue with no source and scientific datas.ie, everyone is eagerly waiting to know how the earth is developed ? Does it have a creator or it evolved ? There is still different opinions in it and there were this talk years ago...So Miller gives an almost digestible scientific answer to all of these questions.

The experiment used water (H2O), methane (CH4), ammonia (NH3), and hydrogen (H2). The chemicals were all sealed inside a sterile 5-liter glass flask connected to a 500 ml flask half-full of water. The water in the smaller flask was heated to induce evaporation, and the water vapour was allowed to enter the larger flask. Continuous electrical sparks were fired between the electrodes to simulate lightning in the water vapour and gaseous mixture, and then the simulated atmosphere was cooled again so that the water condensed and trickled into a U-shaped trap at the bottom of the apparatus.

After a day, the solution collected at the trap had turned pink in colour, and after a week of continuous operation the solution was deep red and turbid. The boiling flask was then removed, and mercuric chloride was added to prevent microbial contamination. The reaction was stopped by adding barium hydroxide and sulfuric acid, and evaporated to remove impurities. Using paper chromatography, Miller identified five amino acids present in the solution: glycine, α-alanine and β-alanine were positively identified, while aspartic acid and α-aminobutyric acid (AABA) were less certain, due to the spots being faint.