5 Questions
What is the primary composition of the ribosome, one of the most critical components of cells?
RNA
Who proposed the concept of the RNA world?
Alexander Rich
What is the RNA world?
A stage in the evolutionary history of life on Earth where self-replicating RNA molecules proliferated before the evolution of DNA and proteins
What may be surviving remnants of covalently bound coenzymes in an RNA world?
Ribonucleotide moieties in many coenzymes
What ability did some ancient RNAs evolve to protect other RNAs?
Methylate other RNAs
Test your knowledge about the RNA world hypothesis, which suggests that self-replicating RNA molecules were prevalent before the evolution of DNA and proteins. Learn about the key proponents and the alternative chemical paths to life.
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