báo cáo khoa học: "Relationship between densityand in two strains of frequency-dependent effects Drosophila melanogaster GONZÁLEZ-CANDELAS" docx

... relative humidity and constant lighting. Relationship between density- and frequency-dependent effects in two strains of Drosophila melanogaster V. MOLINA, F. GONZÁLEZ-CANDELAS J L. MÉNSUA Universidad ... methods A. Strains and culture conditions Two strains of Drosophila melanogaster were used : a wild strain, Oregon-R (isogenic) and an eye...

Ngày tải lên: 09/08/2014, 22:22

... setting is noticed in SF. In DDF, periclinal divisions in the cambial zone initi- ate in January with the sprouting of new leaves in De- cember. Similarly the first peak of radial growth in SF coincides ... yellowing, sprouting of new leaves, initiation of defoliation 5 ± 1.93 New leaves, development of floral bud 8 ± 1.95 Yellowing of leaves, initiation of defoliati...

Ngày tải lên: 08/08/2014, 14:20

... proteins [3,4], but they also induce refolding of misfolded proteins [5–8] and remove protein aggregation [9–12]. Mechanisms of protein osmolyte interactions, the effect of osmolytes on protein ... derivatives (glycine, alanine, proline, serine, lysine, b-alanine and taurine) that have no significant effects on both DG D ° and k cat . (b) Class II represents methylamines (sarco- sine,...

Ngày tải lên: 07/03/2014, 00:20

... (2003) Two modes of binding of N-hydroxyguanidines to NO synthases: first evidence for the formation of iron–N-hydroxyguanidine complexes and key role of tetrahydrobiopterin in determining the binding ... specificity of iNOS FEBS Journal 272 (2005) 3172–3183 ª 2005 FEBS 3179 binding of an N-hydroxyguanidine moiety in the iNOS heme pocket thus roughly involves the same binding...

Ngày tải lên: 16/03/2014, 22:20

... integrin-dependent cell volume sensing and signaling integrates into the overall context of insulin signaling. Similarly, sensing of glutamine-induced hepatocyte swelling by integrins feeds into ... the integrin system as one major sensor of hepatocyte swelling [12–14]. Integrin-inhibitory peptides exhibiting an arginine-gly- cine-aspartic acid (RGD) motif abolish hypoosmotic osmosignal...

Ngày tải lên: 18/02/2014, 16:20

... hetero-oligomeric ring, we used laser-induced Fig. 2. High-resolution AFM topographs of reconstituted c rings. (A, B) Crystalline assemblies of c rings. Although the number of subunits forming the rings can ... that form two covalently linked hairpins in the membrane [10]. Importantly, the ion-binding site is not conserved in hairpin one. If one assumes the same number of transm...

Ngày tải lên: 18/02/2014, 17:20

... in terms of efficiency of communication. 2 Principles of Content Selection in the Real Time Discourse 2.1 Maximization of Total Information A discourse is most effective when the amount of ... Seattle, WA. D.E. Appelt. 1982. Planning natural-language refer- ring expressions. In Proceedings of Annual Meet- ing of the Association for Computational Linguis- tics, pa...

Ngày tải lên: 20/02/2014, 18:20

Ngày tải lên: 21/02/2014, 20:20

... knowledge. Since there are two dimensions relevant to ,:haracteriz- ing concept activation actions, it is possible to define four 199 Some Pragmatic Issues in the Planning of Definite and Indefinite ... knowledge an utterance-planning system must have in order to produce certain kinds of definite and indefinite noun phrases. An utterance.planning system, like other planning s...

Ngày tải lên: 21/02/2014, 20:20

... domains in order to produce domain-focused extractive summaries. Finally, we apply clause-boundaries splitting in order to truncate the irrelevant or subordinating clauses in the sentences in ... integrated in a language processing chain (LPC), so that the output of a given NLP tool is used as an input for the next tool in the chain. The baseline LPC for each of the su...

Ngày tải lên: 22/02/2014, 03:20