The idea that, when life originated on Earth, a macromolecule other than DNA served the role of information storage and that this same macromolecule carried out catalysis is called the _____ hypothesis.
A)water world
B)carbon world
C)macromolecular world
D)RNA world

Question

Quizplus · Accepted Answer

The RNA world hypothesis suggests that RNA was the first macromolecule to carry out both information storage and catalysis before the development of DNA and proteins. This idea is based on the fact that RNA has both structural and catalytic properties, making it a plausible candidate for the first lifeform on Earth.

The Idea That, When Life Originated on Earth, a Macromolecule