Model organisms are organisms used for research. They are alive‚ non-human species used for the purpose of studying different human diseases or other related experiments in which human testing would be considered either unsafe or unethical. Scientists study a particular biological phenomenon on a model organism and try to relate their findings to other types of organisms that are more difficult to study. As an example‚ 60% of human disease genes have an equivalent in the fruit fly and nematode worm
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How Depression Affects a Person’s Life Depression is generally described by people who suffer from it as being like a veil. Though they can see outside it some‚ it shadows their field of vision and gives everything a gray‚ bleak appearance. This impact’s a person’s life in a multitude of ways. First of all‚ though they generally feel tired all of the time‚ the constant sadness inside them makes getting out of bed difficult each morning. Some lose their jobs because they keep going into work late
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List of the First 20 Elements and their Physical Properties Atomic Radii (pm) of the First 20 Elements: - Atomic radii decreases when moving down a period‚ as the number of protons increases‚ which thence increases the effective nuclear charge. - Atomic radii increases when moving down a group‚ as the number of shells increases‚ which thence increases shielding. - The downward-sloping pattern on the above graph shows the decrease in atomic radii down a period‚ and the sudden jumps
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It is really difficult to imagine the world without education. First of all‚ without education‚ technology would not exist. There would not be any facilities that make life easier. For example‚ it would be impossible for somebody to communicate directly with his/ her relative who lives in a different country. He would not be able to use the telephone as the media because telephone is the result of technology and technology is produced by education. Another example‚ computer could not help a lot
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Carbon is a part of your daily life Alice Cui E10M Carbon plays an essential role in people’s daily life. The cosmetics we use‚ the food additives we consume in snacks‚ the diamond we wear on our ring‚ the oil we use to fuel our cars‚ and even the DNA in our body are made up of carbon. The reason carbon exist in so many substances is its electron configuration. Carbon has 4 valence electrons and that means it can lose or gain electron to form stable structure easily. In this essay‚ I am going to
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Carbon cycle essay I eat some corn during lunch and then cellular respiration takes place. During the process of cellular respiration the glucose and oxygen I took in will be turned into carbon‚ water‚ and ATP. I will expel this carbon through my lungs. This carbon then is used by photosynthesis of phytoplankton in the water. During the photosynthesis that takes place‚ sunlight‚ water‚ and carbon are taken in by the plankton and then a fish eats this phytoplankton and this organism dies. When the
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health is a result of internal and external factors. Describe two factors and explain their effect on people’s health Health is a crucial and complicated matter of people’s life. It is essential to explore health from many different aspects. Health depends of every personal situation that may impact on human being therefore it is required to look at it from an individual perspective (Y158‚ cited in L185 Block 3 Session 2‚ p.7). Factors that may reflect on an individual’s health can be distinguished
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relationship between two organisms where one organism benefits but the other is neutral‚ there is no harm or benefit. An example of commensalism is a flatworm attaching to the horsecrab and eating the crab’s food while the crab is not affected. Commensalism *Parasitism is a type of symbiotic relationship between organisms of different species
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(M2)Explain the long-term effects of exercise on the musculoskeletal‚ cardiovascular‚ respiratory and energy systems. Matthew Widdowson. Introduction. This power point presentation will explain the long-term effects of exercise on the musculoskeletal system‚ the cardiovascular system‚ the respiratory system and the energy system. Skeletal System. Increase in mineral storage. Minerals are vital for the skeleton‚ especially calcium‚ as they are what makes it up. Without them the skeletal system
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1.3 Describe factors that may impact upon the development of the baby during: Pre-conception‚ Each stage of pregnancy‚ During first year of life Preconception: It is important to get the body ready to carry a baby. Also it is important to be aware that half of pregnancies are unplanned and these parents run a greater risk of having a premature and low weight baby. This is due to the fact that the body is not ready to carry a baby. In order to help prepare the body to carry a baby the mother
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