974 resultados para Lehman Brothers
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UANL
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UANL
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Depuis la création des Sœurs Musulmanes, le chapitre féminin des Frères Musulmans en Égypte, le rôle que l’organisation a accordé aux femmes a changé plusieurs fois. Pendant certaines périodes, les militantes ont été inclues dans les activités politiques de l’organisation, alors que pendant d’autres périodes, elles étaient forcées de s’occuper de différentes activités d’aide sociale au près de la population. Ce mémoire essaie d’expliquer les raisons qui expliquent les différents changements dans le niveau d’inclusion ou d’exclusion des militantes dans les Frères Musulmans. Cette étude utilise trois périodes pour illustrer ces différents changements : 1952-1967 (inclusion), 1970-1984 (exclusion) and 1984-2005 (inclusion). Cette recherche conclue que, pendant des périodes où la survie des Frères Musulmans est remise en question, l’organisation sera forcée d’inclure les militantes dans leurs activités. Chaque changement dans l’inclusion des femmes est aussi marqué par un changement du contexte politique et des relations avec le gouvernement. Ces changements ne sont donc pas des produits de changement idéologique de l’organisation, mais plutôt causés par des raisons rationnelles.
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Resource, Poster and Reference for the coursework
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1. In many fig wasp species, armoured wingless males regularly engage in lethal fights for access to females inside figs, which act as discrete mating patches. 2. Kin selection generally opposes killing brothers, because their reproductive success provides indirect genetic benefits (inclusive fitness). However, siblicide may be avoided if (i) brothers do not occur in the same figs, or (ii) males avoid fighting brothers in the same fig. Alternatively, (iii) siblicide may occur because intense mate competition between brothers at the local scale overcomes kin selection effects, or (iv) males do not recognise kin. 3. A fig may also contain wasps from other closely related species and it is not known if males also fight with these individuals. 4. Nine microsatellite loci were used in the first genetic analysis of fighting in fig wasps. We assigned species and sibling identities to males and tested alternative fighting scenarios for three Sycoscapter wasp species in figs of Ficus rubiginosa. 5. Approximately 60% of figs contained males frommore than one Sycoscapter species and approximately 80% of fights were between conspecifics, but a surprising 20% were between heterospecific males. 6.Within species, fewfigs contained brothers, suggesting that females typically lay one son per fig. Overall, most males do not compete with brothers and all fights observed were between unrelated males. Key words:Competition, fighting, genetics, kin selection, microsatellites, relatedness.
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The clicker is a versatile, easy to use electronic multiple choice device that helps provide instant feedback on what students are learning. In both hybrid and on-site classes, clickers provide a way to rapidly collect an answer to a question from every student; an answer for which they are all individually accountable. In this session, Biological sciences lecturer Rena Quinlan will describe her use of clickers with large classes that help students achieve defined course outcomes.
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What a treat it is to be here today to dedicate this new building at the Barta Brothers Ranch. First off, it provides a wonderful opportunity to gather here in the heart of north central Nebraska's Sandhills.
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The chylomicronemia syndrome is well recognized as a rare etiologic factor of acute pancreatitis; however, whether hypertriglyceridemia can cause chronic pancreatitis (CP) remains unclear. We describe the long-time course of 2 brothers with the familial chylomicronemia syndrome caused by identical compound heterozygous mutations in the lipoprotein lipase (LPL) gene with markedly reduced LPL activity. Other etiologic factors were excluded, including mutations in the PRSS1, SPINK1, and CFTR gene. Although both brothers had recurrent acute pancreatitis and the same LPL genotype, CP became evident in only one patient. Progression to CP was associated with a more severe disease course. Thus, the chylomicronemia syndrome may cause CP in the absence of other known causative factors, and similar to alcoholic and hereditary CP, a more severe disease course is associated with disease progression.
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Ornithine transcarbamylase (OTC) deficiency is the most common inborn error of the urea cycle. OTC locus is located in the short arm of X-chromosome. Authors report a case of a woman who gave birth to monozygotic male twins who later died because of severe neonatal-onset hyperammonaemic encephalopathy caused by a novel mutation of OTC gene. Post-mortem liver biopsy was taken from the second twin; afterwards, blood was drawn from the mother for examination. DNA sequence data showed that the mother was a carrier of the same novel mutation that was previously detected in the case of her son. In OTC deficiency, detection of female carriers is important for genetic counselling and eventual prenatal diagnosis.