Practice mode Evolution

Which scientist carried out the 1953 experiment in which electric sparks passed through a mixture of CH₄, NH₃, H₂ and water vapour produced amino acids?

Correct answer C. Stanley Miller

Explanation

Stanley Miller, working with Harold Urey, simulated the early Earth atmosphere with methane, ammonia, hydrogen and water vapour. Electric discharges produced amino acids, supporting the idea that organic molecules could form abiotically.

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