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phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...
Poisons Information Centre, Department of Paediatrics and Child Health, Red Cross War Memorial Children’s Hospital and University of Cape Town, Cape Town, South Africa Centre for Occupational and Environmental Health Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa Department of Paediatrics and Child Health, Red Cross War Memorial Children’...
Through natural selection, many animal organs with similar functions have evolved different macroscopic morphologies and microscopic structures. Here, we comparatively investigate the structures, properties and functions of honey bee stings and paper wasp stings. Their elegant structures were systematically observed. To examine their behaviors of penetrating into different materials, we perform...
Lung cancer is the leading cause of cancer death worldwide, microRNAs play critical role in the initiation and development of lung cancer. Here, we used MTT assay, colony formation assay, soft agar growth assay and BrdU incorporation assay to investigate miR-937's role in lung cancer. We found that miR-937 was upregulated in lung cancer tissues and cells. Overexpression of miR-937 in A549 promo...
in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...
the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
The Rockefeller University Press $30.00 J. Cell Biol. Vol. 185 No. 5 917–928 www.jcb.org/cgi/doi/10.1083/jcb.200903020 JCB 917 Correspondence to Sergio Grinstein: [email protected] Abbreviations used in this paper: FRET, fluorescence resonance energy transfer; LUV, large unilamellar vesicle; mRFP, monomeric RFP; PA, phosphatidic acid; PC, phosphatidylcholine; PE, phosphatidylethanolamine; PI, pho...
Peptidylglycine alpha-amidating monooxygenase (PAM), a bifunctional enzyme, catalyzes the COOH-terminal amidation of bioactive peptides. In test tube assays, PAM is phosphorylated by protein kinase C at Ser(937). The roles of phosphorylation and dephosphorylation of Ser(937) in the biosynthetic and endocytic trafficking of integral membrane PAM were examined using an antiserum specific for the ...
efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...
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