Browsing by Title
Now showing items 12952-12971 of 13674
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The regulon of Brucella abortus two- component system BvrR/BvrS reveals the coordination of metabolic pathways required for intracellular life
(PLOS ONE, 2022-09-21)Brucella abortus is a facultative intracellular pathogen causing a severe zoonotic disease worldwide. The two-component regulatory system (TCS) BvrR/BvrS of B. abortus is con- served in members of the Alphaproteobacteria ... -
The relationship between humidity, light and the activity pattern of a velvet worm, Epiperipatus sp. (Onychophora: Peripatidae), from Bahía Drake, South Pacific of Costa Rica
(Instituto Internacional de Ecología (Brasil), 2018-10-31)Even though the Onychophora represent a whole phylum, observations of their activity pattern in nature are almost non-existent. Here we report on the relationship between humidity and light and activity pattern of a new ... -
The relationship between information and communication technology and productivity in Costa Rican companies
(IEEE Explore, 2012-10-01)This paper presents the results of a research aimed at studying the effect of information and communications technology (ICT) on productivity, using the data of the Costa Rican innovation survey 2008. The results obtained ... -
The relationship between perch type and aggressive behavior in the lizard Norops polylepis (Squamata: Dactyloidae)
(Universidad de Sao Paulo, 2015)The intensity of aggression against intruders by owners of a territory has been related to the type of resources available to an individual within its territory. The influence of perch-site characteristics on aggressive ... -
The rip current hazard in Costa Rica
(2015-01-31)Deaths from rip currents are a major hazard on global beaches, but few data are available at a national scale to support the development of appropriate intervention programs. Analysis of data from the Judicial Investigation ... -
The rock coast of South and Central America
(Geological Society Memoirs 2014, 2014-07)The great variety of climatic conditions, tidal ranges and wave regimes of South and Central America act on a complex geology and tectonic framework. Many of the rock and cliffed coasts of South America are strongly ... -
The Role of Facebook in Foreign Language Learning
(Universidad Nacional, Costa Rica, 2014)Recently, the way languages are learned has been greatly influenced by technology. Both learners and professors are exposed to the Internet daily, so they can take advantage of it to teach and learn a foreign language. For ... -
The role of fragmentation and landscape changes in the ecological release of common nest predators in the neotropics
(PeerJ, 2014-07)Loss of large mammalian carnivores may allow smaller mesopredators to become abundant and threaten other community members. There is considerable debate about mesopredator release and the role that other potential factors ... -
The role of neutrophils in Brucellosis
(American Society for Microbiology, 2020-10-14)Brucellosis is a bacterial disease of domestic animals and humans. The pathogenic ability of Brucella organisms relies on their stealthy strategy and their capacity to replicate within host cells and to induce long-lasting ... -
The significance of Costa Rica in Taiwan’s diplomacy and the competition from Beijing
(Genesis de la Lima, 2005)Esta publicación proporciona una comprensión más amplia de la política exterior de Costa Rica a la República de China en Taiwán y la República Popular de China como miembro de la Organización Mundial del Comercio. Analice ... -
The STAR framework: towards a more communicative EFL class
(Escuela de Lenguas Modernas, Universidad de Costa Rica, 2020)English instruction needs to be transformed to provide learners with a suitable environment that allows them to interact in real life situations. For this reason, Task-based Instruction (TBI) has been included into a ... -
The status of lexicon use in three Costa Rican esl classroom : an exploratory study
(Universidad Nacional, Costa Rica, 1995)Examina la capacidad del alumno para utilizar un vocabulario preciso/exacto y variado en situaciones concretas. Establece una evaluación preliminar de la capacidad del alumno para utilizar palabras y transmitir mensajes ... -
The structure and function of dry weather mangrove on the Pacific Coast of Central America, with emphasis on Avicennia bicolor forests
(Estuaries Research Federation, 2013)Mangrove forests along the Pacific Coast of Central America cover around 4,000 km2. Most of this coast is occupied with tropical dry forest mangroves where basal areas range between 6 and 20 m2 ha−1 and canopy heights ... -
The Struggle of Neglected Scientific Groups: Ten Years of NeTropica Efforts to Promote Research in Tropical Diseases in Central America
(PLOS ONE, 2011)The general strategy used by high-income countries to address global health challenges in low- and middle-income countries (LMICs) relies heavily on short-term strategies designed to diminish the burden of diseases afflicting ... -
The teaching of english to a learner with visual impairment a case study
(Universidad Nacional (Costa Rica). Escuela de Literatura y Ciencias del Lenguaje, 2011)Esta investigación explora técnicas, estrategias y material didáctico empleado por profesores y estudiantes con visión reducida para adquirir una lengua extranjera. La muestra fue constituida por una estudiante con ... -
The teaching of technical Lexicon in the Course English Il for Computer Sciences at Universidad Nacional, Heredia.
(Universidad Nacional (Costa Rica). Escuela de Literatura y Ciencias del Lenguaje., 2011)Analiza estrategias y técnicas implementadas sobre el vocabulario técnico por los profesores de enseñanza del curso Inglés II para Informática. Los objetivos específicos de esta investigación: identificar las técnicas y ... -
The Techniques Used by a Teacher to Trigger Effective Cognitive Learning Processes and Enhance Appropriate Reading Skills in the EFL Class in Primary School: A Critical Research Paper
(Universidad Nacional, Costa Rica, 2011)La lectura es esencial para desarrollar el conocimiento en varios ámbitos de la vida; sin embargo, muchos estudiantes costarricenses no están interesados en leer o no saben cómo analizar un texto. La maestra de inglés como ... -
The textbook and the real world
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The Transformative Potential of Strategic Partnerships to Form a Health Equity Network of the Americas
(Ethnicity and Disease, Inc., 2019-02)Health inequities across the Americas are avoidable and unjust yet continue to persist. Systemic social determinants of health, which could be addressed at the policy level, are root causes of many inequities and ... -
The two-component system BvrR BvrS essential for Brucella abortus virulence regulates the expression of outer membrane proteins with counterparts in members of the Rhizobiaceae
(Proceedings of the National Academy of Sciences, 2002-09-17)The Brucella BvrR/BvrS two-component regulatory system is homologous to the ChvI/ChvG systems of Sinorhizobium meliloti and Agrobacterium tumefaciens necessary for endosymbiosis and pathogenicity in plants. BvrR/BvrS ...