The importance of water in Biological Systems Much of the Earths surface is comprised of water‚ as well as much of biological systems; for instance‚ the human body consists of approximately 70% of water‚ and in other biological organisms this figure could even be 95%. This largely relies on the bonding of water‚ whereby two hydrogen atoms bond to one oxygen atom; hydrogen bonding is the strongest intermolecular force due to its high polarity. Hence‚ what is the biological importance of water? Water
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any myth that homosexuals cannot be monogamous. The break-up rate for lesbians is about the same as the rate for heterosexual partners. Many lesbian couples stay together for decades. Lesbianism is more than just sexual orientation. It is a way of life. Many of the issues that lesbians deal with are different than those dealt with by heterosexual women. A great dichotomy exists between the sexual health issues of heterosexual women and lesbians. Heterosexual women are at a much greater risk of contracted
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There are many teachers I’ve met in my life. Some of them are really meaningful to me‚ but others are not. When I work hard on my job and try to be a successful business man‚ I always remember the woman who impacts my whole life‚ she is my teacher‚ Ms. Lee. Ms. Lee‚ who was my middle school class teacher and geography teacher‚ had a kind heart but serious appearance. I have never thought that her behavior and educational teaching will implant in my heart so deeply. First time I saw her‚ I believe
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Evaluate the biological treatments of depression. (16 marks) Antidepressants such as monoamine-oxidase inhibitors (MAOIs) and trycyclics (TCAs) are effective in reducing depressive symptoms. Antidepressants have been tested in trials with placebos and have found to be effective in reducing symptoms of severe depression in around 65% to 75% compared with around 33% for placebos – Gitlin 2002. Gitlin carried out a clinical trial testing selective serotonin re-uptake inhibitors (SSRIs) and placebos
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disorders. Biological influences such as genes‚ neurotransmitter functioning and predisposition contribute exponentially to the development and maintenance of anxiety disorders. These biological dynamics influence when and how anxiety disorders emerge and begin to cause distress in the individual. An anxiety disorder is an “unfounded fear or anxiety that interferes with day-to-day functioning and produces clinically significant distress or life impairment” (Sue et al.‚ 2013‚ p.?). The biological dimension
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for city dwellers like us who long to get away from scorching tropical heat. Besides‚ its high altitude together with its invigorating coolness will leave a person refreshed and is the ideal place for the rat-race and the hustle and bustle of city life. On our journey to Tanah Rata‚ we stopped at a scenic lake. Although the chilly weather and freezing water will make us to think twice about whether or not to don our swimming wear‚ we can enjoy the solitude of nature with only the swish swashing
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Schizophrenia is a psychotic disorder in which a persons personal‚ social‚ and occupational functioning in normal life deteriorates to unusual perceptions‚ odd thoughts‚ disturbed emotions‚ and motor abnormalities. A person struggling with schizophrenia will lose contact with reality and begin to lose the ability to function at home‚ school‚ or work. Individuals may also suffer from hallucinations and or delusions. There are three main categories of symptoms for schizophrenia: positive symptoms
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Discuss two biological explanations of depression (8+16 marks) AO1: One biological explanation for depression is family studies. Family studies have proved that having a first-degree relative with depression appears to be a risk factor of depression. These studies select people who already have the depression (the probands) and examine whether other members of their family have been‚ or might be diagnosed with depression. Research has found that around 20% of such relatives have depression compared
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the company name] INTRODUCTION As the name suggests‚ macromolecules are large molecules that make up more than 90% of the total cell mass. These biological macromolecules vary greatly in size - from several hundred to several hundred million molecular weight units - and are made up of monomer units. There are four major classes of biological macromolecules: proteins‚ carbohydrates‚ lipids‚ and nucleic acids (Sheeler & Bianchi‚ 1980). Proteins are made up of polymers of amino acids. The shape
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Biological perspective is a major way to understand human and animal behavior. It covers everything from genetics‚ brain‚ immune system‚ and nervous system. It defines how and why a person is reacting the way they do. Biological perspective for example discusses that a person being aggressive can be due to possible brain damage. Biological perspective explains how your nervous system can be reaction to stress. I will discuss how biological perspective discusses the parasympathetic and sympathetic
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