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A search for the physical basis of the genetic code
S Arbabi Moghadam1, M Klobukowski2, J A Tuszynski3
1Department of Physics, University of Alberta, Edmonton, AB, T6G 2E1, Canada.
Abstract:
DNA contains the genetic code, which provides complete information about the synthesis of proteins in every living cell. Each gene encodes for a corresponding protein but most of the DNA sequence is non-coding. In addition to this non-coding part of the DNA, there is another redundancy, namely a multiplicity of DNA triplets (codons) corresponding to code for a given amino acid. In this paper we investigate possible physical reasons for the coding redundancy, by exploring free energy considerations and abundance probabilities as potential insights.
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