Which Line of Evidence Supports the Protein-First Hypothesis

Multiple Choice

Which line of evidence supports the protein-first hypothesis?

A) Amino acids existed on prebiotic Earth and in meteorites.
B) Proteins display more chemical diversity than nucleic acids.
C) Proteins display more structural diversity than nucleic acids.
D) Protein function can be reproduced in a population.
E) Nucleic acids are too simple to have been the first "polymers of life."