What is mother-to-child transmission? Mother-to-child transmission (MTCT) is when an HIV-infected woman passes the virus to her baby. This can occur during pregnancy‚ labour and delivery‚ or breastfeeding. Without treatment‚ around 15-30% of babies born to HIV positive women will become infected with HIV during pregnancy and delivery. A further 5-20% will become infected through breastfeeding.1 Is MTCT a major problem? In 2008‚ around 430‚000 children under 15 became infected with HIV‚ mainly
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The first law of Ecology states‚ “everything is connected.” Meaning each species depends on another species for survival. Humans for instance‚ depend on the survival of animals and plants to literally feed our ever growing population. Our diet comes down to small‚ overlooked organisms such as the honeybee. Without honeybees‚ the majority of fruits and vegetables would be diminished. Albert Einstein supposedly once said‚ "If the bee disappears from the surface of the earth‚ man would have no more
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2d. How buyer behavior affects marketing activities in different buying situations Consumer buying behavior is ‘the mental and emotional processes and the observable behavior of consumers during searching purchasing and post consumption of a product and service’ (Batra & Kazmi‚ 2004). The exploration and capture information about customer buying behavior is extremely important to Sunshine. Consumer behavior involves study of how people buy‚ what they buy‚ when they buy and why they buy. It
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Essay Describe and evaluate the synaptic homeostasis model of sleep The synaptic homeostasis model of sleep (Tononi & Cirelli‚ 2003) explains memory consolidation as a by-product of synaptic downscaling that occurs during sleep. This essay will describe the synaptic homeostasis model of sleep and evaluate how valid its predictions are in the face of empirical research. According to this model‚ synaptic potentiation is associated with the homeostatic regulation of slow wave activity‚ which
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How Drugs Affect the Health Triangle Illegal drugs were first used way before the history was recorded. On that time‚ they were used to cure diseases and were legal. However‚ as time passes by‚ doctors had discovered that these drugs could do more harm than good. Although some of the drugs were considered useful‚ their side effects may be costly and not worth the risk. As a child‚ most of the people were taught that using and taking illegal drugs could harm the body. Yet‚ according to 2010 National
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ABSTRACT: Transmission or distribution of 5o Hz or 60 Hz electrical energy from the generating point to the consumers’ end without any physical wire has yet to as a familiar and viable technology. This paper focuses on the past and future possible advancements in WPT and explaining why it has still not come into practical utility. Wireless energy transfer has been around for about a century‚ but as of yet has only found usage in things like electric toothbrush rechargers and specialty applications
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(earthworm)‚ arthropods (crab)‚ and molluscs (squid) the nervous system shows further advances * Cephalization - concentration of ganglia and sensory receptors in a head region * Ganglion (pl. ganglia) - cluster of neurons Vertebrate Nervous Organization * Cephalization‚ and bilateral symmetry‚ results in paired sensory receptors to gather information about environment * Eyes‚ ears‚ and olfactory structures * Central nervous system (CNS) * Spinal cord and brain
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Electric power transmission "Electric transmission" redirects here. For vehicle transmissions‚ see diesel-electric transmission. [pic] [pic] 400 kV high-tension transmission lines near Madrid Electric power transmission or "high-voltage electric transmission" is the bulk transfer of electrical energy‚ from generating power plants to substations located near population centers. This is distinct from the local wiring between high-voltage substations and customers‚ which is typically referred
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Digital Transmission of Digital Data Digital Transmission of Digital Data Digital Data -- can be represented electronically(by sequences of specified voltage levels) or optically Digital Transmission -- sending of information over a physical communications media in the form of digital signals. Page 2 Digital Transmission of Digital Data Computers produce binary data Standards needed to ensure both sender and receiver understands this data Codes: digital combinations
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How Automatic Transmissions Work by Karim Nice If you have ever driven a car with an automatic transmission‚ then you know that there are two big differences between an automatic transmission and a manual transmission: There is no clutch pedal in an automatic transmission car. There is no gear shift in an automatic transmission car. Once you put the transmission into Drive‚ everything else is automatic! Both the automatic transmission (plus its torque converter) and a manual transmission (with
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