Which Was a Limitation of the Miller-Urey Experiments in the 1950s

question 114

Multiple Choice

Which was a limitation of the Miller-Urey experiments in the 1950s?

• A) The experiments synthesized both d- and l-isomers of amino acids, but the amino acids in living things are always l-isomers.
• B) The experimenters made assumptions about Earth's early atmosphere that were later found to be inaccurate.
• C) DNA is not self-catalytic.
• D) In living organisms today, peptide linkages are catalyzed by ribozymes.
• E) The hot temperatures of the experiments denatured some of the proteins that were synthesized.

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