The ribosome is thought to be
A) an example of a catalyst that has survived from the RNA world.
B) unique to eukaryotes.
C) a ribozyme.
D) a protein catalyst.
E) an example of a catalyst that has survived from the RNA world and a ribozyme.

Question

Quizplus · Accepted Answer

The ribosome is indeed an example of a catalyst that has survived from the RNA world and is also a ribozyme, meaning it is an RNA molecule that can catalyze chemical reactions, specifically peptide bond formation during protein synthesis. This highlights its ancient origin and its fundamental role in both prokaryotic and eukaryotic organisms.

The Ribosome Is Thought to Be