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1991[X]
1Author    M. Assim, DiG. IulioRequires cookie*
 Title    On the Relationships between the Genetic Code Coevolution Hypothesis and the Physicochemical Hypothesis  
 Abstract    This paper analyzes the relationships between the genetic code coevolution hypothesis and the physicochemical hypothesis by means o f a comparative study o f the precursor-product amino acid pairs on which the former hypothesis is based. Even if the coevolution between the biosynthetic relationships o f amino acids and the organization o f the genetic code is not ques­ tioned in this paper, the results and the arguments used lead us to believe that the selective pressures considered essential by the physicochemical postulates, played a more active role than that o f the precursor-product relationships in defining the allocation o f these amino acids in the genetic code. It is furthermore pointed out that the two evolutionary hypothesis might be aspects o f the same selective pressure, and thus difficult to differentiate. 
  Reference    Z. Naturforsch. 46c, 305 (1991); received September 28 1990 
  Published    1991 
  Keywords    Genetic Code Theories, C oevolution, Precursor-Product Amino Acids, Am ino Acids Proper­ ties, Hypergeometric Distribution 
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 TEI-XML for    default:Reihe_C/46/ZNC-1991-46c-0305.pdf 
 Identifier    ZNC-1991-46c-0305 
 Volume    46