Why is the protein-first hypothesis not accepted by most scientists?
A) Proteins cannot be catalysts.
B) There is no known mechanism of protein self-replication.
C) Of all of the macromolecules, only DNA can self-replicate.
D) There is no evidence that proteins can store information.
E) Proteins are too complex to have been the first "polymers of life."

Question

Quizplus · Accepted Answer

Proteins cannot self-replicate, which is a critical requirement for the origin of life, making the protein-first hypothesis less plausible.

Why Is the Protein-First Hypothesis Not Accepted by Most Scientists