alleryThe Miller-Urey experiment (1953) demonstrated that:
AAmino acids could form from inorganic gases + electric sparks
BMitochondria could evolve from bacterial symbionts
CDNA could replicate independently outside the cell
DProteins could spontaneously self-assemble into cells
Answer & Solution
Correct answer: A. Amino acids could form from inorganic gases + electric sparks
Miller-Urey simulated early Earth's atmosphere (NH3, CH4, H2O, H2) + electric sparks (lightning) and generated amino acids.
Showed that life's building blocks can form from inorganic precursors.
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