Multiple Choice
Experiments by Stanley Miller in the 1950s demonstrated that the first organic molecules on Earth
A) were catalysts composed of simple amino acids and most likely formed in an extraterrestrial environment and were deposited on Earth via asteroids.
B) most likely formed in an extraterrestrial environment and were deposited on Earth via asteroids.
C) were nucleic acids such as RNA and DNA.
D) could have formed abiotically in a reducing atmosphere containing hydrogen, methane, ammonia, and water vapour.
E) were simple carbohydrates like glucose.
Correct Answer:

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Correct Answer:
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