The Biological Structure of Water Water is a substance with the chemical formula H2O: one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. Its structure enables it to carry out many important functions in the body. Water molecules are charged‚ with the oxygen atom being slightly negative and the hydrogen atoms being slightly positive. These opposite charges attract each other‚ forming hydrogen bonds. These are weak‚ long distance bonds that are very common and
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AO1 2 Types – Genetic and Biochemical Genetic – depression seems to run in families and a number of studies have shown a correlation between the biological closeness of the relationship and the likelihood of developing depression. Biochemical imbalances in neurotransmitters cause depression; most notably noradrenalin‚ serotonin according to the permissive amine theory is a controller and dopamine. Interruption in the transmission of nervous impulses Hormones – high levels of cortisol – overactive
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Is homosexuality biological based? Homosexuality is biologically based. It’s not something someone gives a try and sees if they like it. Maybe the occurrences have something to do with the mother’s hormone levels when she is pregnant. I also think it is a little of both. Some cases it might be the X and Y thing and others it is probably just learned. I think most of the recent ones are probably learned because it is all over TV and everything. I just think it is ridiculous that they expect us
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Discuss biological approaches to addiction (9+16 Marks) The genetics of addiction: * People who have an addictive personality are likely to be predisposed to it because of their genes. * Family and twin studies have demonstrated that genes contribute towards the development of alcohol dependence‚ with heritability estimates of between 50 and 60 % for both males and females. McGue‚ 1999 * Fowler et al‚ 2007 – found that in a study of 1‚214 twins genetic influences played a role in the
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Favorite Childhood Memory Ever since I was a little girl I dreamed of the day I would turn fifteen. So I could have my Quinceñera. Wearing a big elegant dress‚ dancing on a beautiful hard wood floor‚ in a building that looked like a castle. Dancing the last song with my father and having him take off my little ballet shoes and put my heels on representing I was no longer a child but a woman was all I could think about. Having him give me my last doll meant everything! Like Cinderella my dream
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My Childhood memory Every kid has there own special memory in their life that they always look back at and remember or constantly thinking about. Most kids in their life enjoy that for the rest of their life and tell everyone about because chances are it makes them very happy. This memory all started when it was a warm summer night and my dad came home saying he had a surprise and it was tickets to Hawaii. My whole family was extremely happy. It was the summer of 2010 when we left at 3:30 am to
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The Memory System Memory is a very important aspect in a person’s life. It enables that individual to store information about various things that they can recall upon at a later time when that information is needed. The applications of your memory are boundless and are used every day whether we realize it or not for example taking test‚ fixing something around the house‚ playing a sport‚ etc. We are able to do this by associating that memory with a certain sounds‚ images‚ or colors that are familiar
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A. VOLATILE MEMORY Volatile memory‚ also known as volatile storage‚ is computer memory that requires power to maintain the stored information‚ unlike non-volatile memory which does not require a maintained power supply. It has been less popularly known as term Dynamic random access memory (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge‚ the information eventually fades unless the capacitor
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xxLEARNING AND MEMORY Learning is the process of gaining knowledge or skills through study‚ experience or teaching. It is a process that depends on experience and leads to long-term changes in the possible behaviour of an individual in a given situation‚ in order to achieve a goal. Memory is a property of the human mind. It describes the ability to retain information. There are different types of classifications for memory based on duration‚ nature and retrieval of items. The generally accepted
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Outline and Evaluate Models of Memory. (12 Marks) There are roughly four models of memory in total‚ but two stand out and are used in this particular specification. Atkinson and Schifrin’s (1968) “Multi-Store Model” is one of them. Their model suggests that the memory consists of three stores‚ a sensory store‚ a short-term store and a long-term store; all three have a specific and relatively inflexible function. It stressed that information for our environment such as the visual or auditory
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