Answer to Question #57828 in Cell Biology for tracy guido
Select all that apply
made of RNA
involved in protein synthesis
1. Made of RNA
2. Involved in protein synthesis
3. Are catalysts
The first biological molecules were RNAs. They could self-replicate and produce the required molecules. Thus, RNA nature and catalytic abilities of ribosomes support the RNA world hypothesis. Soon, relatively unstable RNA molecules managed to encode proteins, which could support them better. Participation of ribosomes in protein synthesis could be related with that ancient event.
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