Abstract
The environmentally induced alterations in structure of (M, ℜ) which were described previously (R. Rosen,Bull. Math. Biophysics,23, 165–171, 1961) are examined from the standpoint of determining under what circumstances they can be reversed by further environmental interactions. For simplicity we consider only the case of (M, ℜ)-systems possessing one “metabolic” and one “genetic” component. In the case of environmentally induced alteration of the “metabolic” component alone, a necessary and sufficient condition is given for the reversibility of the alteration. In the case of alteration of the “genetic” component, the situation becomes more complex; several partial results are given, but a full analysis is not available at this time. Some possible biological implications of this analysis are discussed.
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Literature
Rosen, R. 1959. “A Relational Theory of Biological Systems: II.”Bull. Math. Biophysics,21, 109–128.
— 1961. “A Relational Theory of the Structural Changes Induced in Biological Systems of Alterations in Environment.”Ibid.,23, 165–171.
— 1962. “A Note on Abstract Relational Biologies.”Ibid.,24, 31–38.
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This research was supported by the United States Air Force through the Air Force Office of Scientific Research of the Air Research and Development Command, under Contract no. AF-49(638)-917 and Grant no. AF-AFOSR-9-63.
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Rosen, R. On the reversibility of environmentally induced alterations in abstract biological systems. Bulletin of Mathematical Biophysics 25, 41–50 (1963). https://doi.org/10.1007/BF02477769
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DOI: https://doi.org/10.1007/BF02477769