Abstract:Abstract:The proposal that the genetic code was formed on the basis of protein synthesis directed by tRNA dimers is reviewed and updated. The tRNAs paired through the anticodon loops are an indication on the process. Dimers are considered mimics of the ribosomes -structures that hold tRNAs together and facilitate the transferase reaction, and of the translation process -anticodons are at the same time codons for each other. The primitive protein synthesis system gets stabilized when the product peptides are ab… Show more
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