BIO NMDCAT Concept of Evolution

nmdcat.online July 14, 2026

6. A student concludes that the Miller-Urey experiment proved that life was created in the laboratory. Why is this conclusion incorrect?

A. The experiment produced only inorganic compounds.

B. The experiment synthesized organic molecules, not living cells.

✓

C. The experiment contained oxygen throughout.

D. The experiment demonstrated spontaneous generation of bacteria.

📝 Explanation

Correct: Amino acids and other organic compounds were formed, but no living organisms. A: Incorrect because organic compounds were produced. C: Oxygen was absent. D: No bacteria were formed. Concept: Interpretation of experimental evidence.

📖 Additional Information

The experiment produced only inorganic compounds.
The experiment synthesized organic molecules, not living cells.
The experiment contained oxygen throughout.
The experiment demonstrated spontaneous generation of bacteria.

Correct: Amino acids and other organic compounds were formed, but no living organisms. A: Incorrect because organic compounds were produced. C: Oxygen was absent. D: No bacteria were formed. Concept: Interpretation of experimental evidence.

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