As life was first evolving, what molecule is thought to have performed double duty as the genetic material and catalyst of chemical reactions?
A)RNA
B)proteins
C)polypeptides
D)DNA
E)both proteins and polypeptides

Question

Quizplus · Accepted Answer

RNA is thought to have performed double duty as the genetic material and catalyst of chemical reactions during early life because it has the ability to store information like DNA, but also has catalytic properties like proteins.

As Life Was First Evolving, What Molecule Is Thought to Have