a positive cation and a negative anion). Molecular geometries can be specified in terms of bond lengths‚ bond angles and torsional angles. The bond length is defined to be the average distance between the centers of two atoms bonded together in any given molecule. A bond angle is the angle formed between three atoms across at least two bonds. For four atoms bonded together in a chain‚ the torsional angle is the angle between the plane formed by the first three atoms and the plane formed by the last
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Conjoined twins happen once in every 200‚000 live births (Maryland). Conjoined twins are identical twins whose bodies are joined in utero. Most are stillborn and others are born with severe abnormalities that make living a normal life almost impossible. The survival rate of conjoined twins is between 5 percent and 25 percent (Maryland). The most common form of conjoined twins is thoracopagus twins. These types of twins share the same heart. Some of the other types of conjoined twins include omphalopagus
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Epigenetic Studies of Twins and Their Impact on Precision Medicine In a biological sense‚ DNA is the physical blueprint for a specific organism. Genes encoded in DNA directly transcribe specific phenotypes‚ such as brown hair or blue eyes‚ which individualize the physiology and behavior of an organism from others in its species. By comparing DNA base-pairs and coding sequences among humans‚ it was estimated that there is only 0.5% of interchromosomal difference between every living person on the
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"What’s it like being a twin?" This is a question I’ve been asked countless times; I don’t blame people for their curiosity. It is an incomparable experience. Few people have the opportunity to experience such a close bond with another individual. From the day of conception‚ we’ve literally been side by side or metaphorically‚ attached at the hip. Such a close relationship resulted in our mutual dependence. Growing up‚ we were always‚ “the twins”‚ sometimes even referred to as “Carlana.” We were
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demonstrated actions of some genes modify action of other genes: the first time gene regulation was demonstrated 1910 Thomas Hunt Morgan was the first to recognise genes are carried on chromosomes: the basis for modern genetics. He demonstrated the existence of sex-linked genes and expanded trait linkage using "crossing-over" 1911 Alfred Sturtevant‚ mapped the locations of several fruit fly genes. This was the first genetic map 1926 Thomas Hunt Morgan published the "theory of
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The difference between medical‚ public health and human services model is that medical model sees the person that is coming for help‚ usually they are people who problems are disease or sickness. The patients that are sick or ill depend on physicians or service providers to provide them treatment or a cure for their disease or sickness. The public health model is the connection of medical and human services models‚ it worries about the diagnosis and treatment of people with the use of medicine and
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The Twin Tunnels‚ proposed by the Governor of California jerry Brown‚ are two tunnels that would run from the delta to Southern California. The project would make two tunnels‚ each about 20-40 feet in wide and around 35 miles long‚ that would be 150 feet beneath the Delta. The Twin Tunnels will be extremely expensive especially to taxpayers and very destructive to the Delta’s ecosystems. Much of California opposes them. The goal of the Twin Tunnels is to divert water from the Sacramento
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The Gap model of service quality was developed by Parasuraman‚ Berry and Zeithaml (1985)‚ and more recently described in Zeithaml and Bitner (2003). It has served as a framework for research in services marketing‚ including hospitality marketing‚ for over two decades. The model identifies four specific gaps leading to a fifth overall gap between customers’ expectations and perceived service. The five gaps Customers have expectations for service experiences and they use them to measure
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blog post is going to be about the The Twin Towers (Worlds Trade Center). I am writing about this because for some reason it has really got to me that someone so arrogant would destroy something that was so meaning full to our lives. If were to walk in side there body it would be nothing but mean and disrespectful things. Such as distroying The Twin Towers. Lately I have been watch shows and news cast talk about the the unforgetful day of when The Twin Towers had been terrorised. Just the other
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that being a twin is the best thing in my life‚ when in reality‚ it is one of the worst. First of all‚ people ask questions. Strangers will walk up to Emily and I and ask us if we are twins. Second‚ I share many things with my sister. Thirdly‚ I am a literal freak of nature. When people see anything out of normal‚ they tend to ask questions. Emily and I have had strangers walk up to us and ask us if we are twins. We have been shopping and the cashiers have asked us if we are twins. A girl at music
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