Evaluate the evidence and limitations of the Miller–Urey experiment as a model of prebiotic chemical processes.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2025–2026.
A reconstruction of the classic Miller–Urey apparatus passes a reducing gas mixture over heated water. Which mixture matches the original experiment? A. Methane, ammonia, hydrogen and water vapour B. Methane, nitrogen, oxygen and water vapour C. Carbon…
Why did the results of the Miller–Urey apparatus support a chemical explanation for the origin of life? A. They showed that bacteria arose repeatedly in the apparatus B. They demonstrated that modern DNA can duplicate without enzymes C. They established that…
An electrical-discharge experiment produces amino acids from a non-living mixture of simple chemicals. Which conclusion about early Earth does this type of result support? A. Modern cells spontaneously form whenever lightning occurs B. RNA must have originated…
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