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Wyszukujesz frazę "Koj, Jacek" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Ochrona krajobrazu przemysłowego jako element zrównoważonego rozwoju na przykładzie konurbacji górnośląskiej
Autorzy:
Koj, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/634209.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
krajobraz przemysłowy, ochrona krajobrazu, zrównoważony rozwój
Opis:
Preservation of the industrial landscape as an element of sustainable development – the example of Upper Silesian urban areaThe first part of the paper presents the basic terminology associated with the industrial landscape, which is a specific type of the cultural landscape, and the concepts of landscape preservation and sustainable development. In the following part of the paper, basing on the example of the Upper Silesian urban area, the typical characteristics of the industrial landscape are specified. Its most important virtues, which are the reason why it should be protected in the context of sustainable development, are also presented. The author tried to identify the obstacles to preservation of the industrial landscape, including the problem of its negative perception. The paper also contains the analysis of presently applied legal forms of preservation of the industrial landscape basing on same examples form Upper Silesia. There is also an example from Ruhr Region presented in the purpose of comparison. The demanded actions, which should take place in the Upper Silesian urban area basing on the German experiences, are presented in the summary.
Źródło:
Prace Geograficzne; 2015, 141
1644-3586
Pojawia się w:
Prace Geograficzne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Regulatory mechanisms of gene expression: complexity with elements of deterministic chaos
Autorzy:
Jura, Jolanta
Węgrzyn, Paulina
Jura, Jacek
Koj, Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/1041263.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
linear and nonlinear responses
somatic recombination
biallelic expression
alternative splicing
epigenetics
RNA editing
monoallelic expression
Opis:
Linear models based on proportionality between variables have been commonly applied in biology and medicine but in many cases they do not describe correctly the complex relationships of living organisms and now are being replaced by nonlinear theories of deterministic chaos. Recent advances in molecular biology and genome sequencing may lead to a simplistic view that all life processes in a cell, or in the whole organism, are strictly and in a linear fashion controlled by genes. In reality, the existing phenotype arises from a complex interaction of the genome and various environmental factors. Regulation of gene expression in the animal organism occurs at the level of epigenetic DNA modification, RNA transcription, mRNA translation, and many additional alterations of nascent proteins. The process of transcription is highly complicated and includes hundreds of transcription factors, enhancers and silencers, as well as various species of low molecular mass RNAs. In addition, alternative splicing or mRNA editing can generate a family of polypeptides from a single gene. Rearrangement of coding DNA sequences during somatic recombination is the source of great variability in the structure of immunoglobulins and some other proteins. The process of rearrangement of immunoglobulin genes, or such phenomena as parental imprinting of some genes, appear to occur in a random fashion. Therefore, it seems that the mechanism of genetic information flow from DNA to mature proteins does not fit the category of linear relationship based on simple reductionism or hard determinism but would be probably better described by nonlinear models, such as deterministic chaos.
Źródło:
Acta Biochimica Polonica; 2006, 53, 1; 1-10
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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