The organic codes fingerprints

The genetic code is the only organic code which is officially recognised in the textbooks of modern biology, but it is also a model where we find characteristics that must belong to all organic codes. To start 

In transcription, an RNA chain is assembled from the linear information of a DNA chain, and for such assembly a normal biological catalyst (an RNA polymerase) is sufficient, because each step requires a single recognition process (a DNA-RNA coupling). In translation, instead, two independent recognition processes must be performed at each step, and to this purpose the catalyst of the reaction (the ribosome) needs special molecules that Francis Crick 

The function of an organic code, in conclusion, is to give specificity to a liaison between two organic worlds, and this necessarily requires molecular structures - the adaptors - that perform two independent recognition processes. In the case of the genetic code the adaptors are tRNAs, but any other correspondence between two independent molecular worlds needs a set of adaptors and a set of correspondence rules. The adaptors are required because the two worlds would no longer be independent if there was a necessary link between their units and a code is required to guarantee the specificity of the link. 

The adaptors were theoretically predicted by Francis Crick in order to explain the mechanics of protein synthesis, but they are necessary structures in all organic codes. They are the molecular fingerprints of the organic codes, and their presence in a biological process is a sure sign that that process is based on a code. 

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