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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Definitions:

Theory

A set of interrelated propositions that organizes and explains a set of observed facts; a network of hypotheses that may be used as a basis for prediction.

Role-Taking

The ability to see oneself from the perspective of others and to understand their thoughts, feelings, and expectations, facilitating empathy and social interactions.

Identity Work

The process through which individuals engage in creating, maintaining, or altering their personal or social identities.

Role-Playing

A technique in both therapy and research where people assume roles and act them out in a controlled setting to analyze or teach certain behaviors.