International Review of Cytology by G. H. Bourne, J. F. Danielli

By G. H. Bourne, J. F. Danielli

Elements of cellphone legislation bargains with some of the facets of mobile regulate mechanisms.
The publication starts off with a dialogue of the function of hormones within the keep an eye on of phone differentiation and biochemical keep watch over over the lifetime of an organism. this can be by way of separate chapters on an intracellular keep an eye on challenge, specifically, the right kind copy of mobile organelles and their apportionment among daughter cells at telephone mitosis; phone mutants with diversified temporal order for macromolecular synthesis; and the regulate of a plant enzyme that converts triglycerides into carbohydrate in the course of the early levels of postgerminative progress inside of seed cotyledon.
Subsequent chapters care for the potential function of mitochondria in altering the keep an eye on mechanism of cells to that linked to carcinogenesis; the opportunity of reworking genes being detectable within the genome after the transformation to neoplastic cellphone; the correlation among viruses and tumor cells; and no matter if viruses can originate from cells instead of coming prior to cells.

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Genetic Variations in Somatic Cells,” pp. 117-126. Prague. TRANSFORMATION PHENOMENA I N SOMATIC CELLS 23 Mathew, C . (1964). Mutation Res. 1, 163. Mathew, C. (1965). Genet. Res. 6, 163. Mathias, A. , and Fisher, G. A. (1962). Biochem. Pharmcol. 11, 69. Mead, C. G . (1964). j . B i d . Chem. 239, 554. Mosolov, A. , and Ershov, F. I. (1965). Izu. Sibirsk. Otd. Akad. Nauk S S S R 8, 139. Niu, M. C. ( 1963). Defelop. Biol. 7, 379. Niu, M. C. (1964). In “Metabolic Control Mechanisms in Animal Cells” (W.

Auerbach, C. (1946). Proc. Roy. 62, 211. Barigozzi, C. ( 1963). In “Biological Organization at the Cellular and Supercellular Level” (R. J. C. ), pp. 73-89. Academic Press, New York. , and Vendrely, R. (1957). Compt. Rend. 244, 2320. , and Vendrely, R. (1960). Trans. Y. A d . sci. 22, 494. Billett, F. , and Newth, D. R. (1964). Heredity 19, 259. Blumenthal, G. , Costa, F. , and Greenberg, D. M. (1960). Congr. Intern. Bid. Cellulaire, l o t h p. 192. Bradley, T. , Roosa, R. , and Law, L. W. (1962).

The first biological application of such a theory was proposed by Rashevsky (1933) as a model for peripheral nerve excitation. The same kind of model was later applied THEORY OF CONTROL AND REGULATION OF CELLULAR PROCESSES 33 to the study of the central nervous system (cf. Householder and Landahl, 1945). Two-factor models, with a different output function, arise in predator-prey interactions (Volterra, 1931). We shall see many other kinds of realizations as we proceed. Anticipating ourselves somewhat, we can see that since a two-factor system is realized by any kind of system whose activity is determined by the interaction of excitatory and inhibitory factors, there is bound to be a two-factor representation of cellular regulatory mechanisms, which operate precisely by means of such interactions.

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