Browsing by Title Facultad de Ciencias
Now showing items 4519-4538 of 8178
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(Springer, 2018)Populations of the same species can vary substantially in their behavioral and morphometric traits when they are subject to different environmental pressures, which may lead to the development of different adaptive strategies. ...
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(Wiley-Liss Inc.info@wiley.com, 2020)
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(ROCKEFELLER UNIV PRESS, 2008-02)The internal vestibule of large-conductance Ca2+ voltage-activated K+ (BK) channels contains a ring of eight negative charges not present in K+ channels of lower conductance (Glu386 and Glu389 in hSlo) that modulates channel ...
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(Oxford University Press, 2016)Definition of lichens has evolved from bi(tri)partite associations to multi-species symbioses, where bacteria would play essential roles. Besides, although soil bacterial communities are known to be affected by edaphic ...
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Intrinsically Disordered Regions of the DNABinding Domain of Human FoxP1 Facilitate Domain Swapping (Elsevier, 2020)Forkhead box P (FoxP) proteins are unique transcription factors that spatiotemporally regulate gene expression by tethering two chromosome loci together via functional domain-swapped dimers formed through their ...
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(Universisdad de Chile, 2011)Las especies exóticas, aquellas que han aumentado su rango de distribución producto del traslado voluntario o involuntario mediado por los seres humanos, han sido reconocidas como una de las principales amenaza a la ...
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(SPRINGER, 2006-04)
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(1992)External field effects are introduced in both charge and orbital control terms of Klopman–Salem formalism for the study of chemical reactivity in condensed phase. An analytical expression is derived for the change of the ...
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(Elsevier, 2010-09-29)We herein demonstrate that the global electrophilicity may be distributed into fragments within a single molecule by using an empirical partitioning scheme of the electronic chemical potential framed on the chemical ...
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(Regional Euro-Asian Biological Invasions Centre-Reabic, 2020)There is scarce documentation of the presence of trout in the Puna and southern Altiplano in Chile, in spite of the risk that they represent for these ecosystems of high environmental value, which have endemic and highly ...
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(Royal Botanical Society of Belgium, 2016)Background and aims - Once introduced into new regions, exotic species often experience shifts in resource allocation in response to the different environmental conditions found in the introduction range. Plants naturally ...
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(MDPI, 2022)To understand the factors that limit invasive expansion in alien species, it is critical to predict potential zones of colonization. Climatic niche can be an important way to predict the potential distribution of alien ...
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(Universidad de Chile, 2013)Constructora El Sauce S.A es una empresa dedicada al rubro de la construcción minera, sanitarla, vial, arriendo de maquinarias y construcción de obras civiles que ofrece soluciones de excelencia en esta área, se especializa ...
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(Ministerio de Educación, Centro de Perfeccionamiento, Experimentación e Investigaciones Pedagógicas, 1976-08)
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(Universidad de Chile, 2003)Los ésteres metílicos de ácidos grasos, obtenidos a partir de aceites vegetales, se presentan como una alternativa en el uso de los combustibles Diesel. Ellos se conocen como Biodiesel y ofrecen importantes implicaciones ...
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(Elsevier, 2017)Physiological responses of plants to salinity stress requires the coordinated activation of many genes. A saltinduced gene was isolated from roots of the wild tomato species Solanum chilense and named SchRabGDI1 because it ...
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(1992)We examined inward rectification in Limulus ventral photoreceptors using the two-microelectrode voltage clamp. Hyperpolarization in the dark induced an inward current whose magnitude was distinctly dependent on extracellular ...
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(1986)The light-activated conductance of Limulus ventral photoreceptors was studied using the patch-clamp technique. Channels (40 pS) were observed whose probability of opening was greatly increased by light. In some cells the ...
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(Kluwer Academic Publishers-Plenum Publishers, 1988)The olfactory epithelium has the ability to respond to a large number of volatile compounds of small molecular weight. Ultimately, such a property lies on a specialized type of neuron, the olfactory receptor cell. In the ...
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(1992)Fusion of Bacillus subtilis plasma membrane vesicles with planar lipid bilayers induced the appearance of discrete current fluctuations characteristic of ion channels. These channels showed a wide range of conductances and ...