and what are the two forms of acid deposition. I have also watched some videos about acid rain? I also should say the most important thing that scientists are doing in their labs. Where acid rain is most effects on which states and does it affect human when we swim in a really high acidic ocean. Acid rain is a mixture of water and gases that have a pH of 5 or lower and it is found in our atmosphere. Acid rain is made out of two main gases nitrogen dioxide which is formed from cars‚ and sulfur
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Humans are resilient. Like chameleons‚ human beings can adapt and transform themselves in various ways. Certain types of transformations can be attributed to biological needs and drives‚ while others arise from personal motives or fantasy. Human transformation can be seen in myriad genres of film‚ literature‚ and art throughout various cultures. The idea of transformation can be seen as a reoccurring theme in the literature of Latin American culture. This notion of human metamorphosis is also visible
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H.G. Wells’ representation of the future of human nature and culture in The Time Machine is based on an understanding of natural selection. The time traveler’s conclusion on humanity is that in the future humans‚ including their physical‚ mental‚ and social/economic structure will have all degenerate. This is demonstrated in the book through the characteristics of the Eolis‚ and Morlocks‚ and their society‚ this is connected with Darwin’s natural selection because the characteristics of the Eolis
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endocrinal system Thesis: Clearly‚ the use of some food additives is harmful to human health in general Argument 1: Canada accounts for twenty-five million dollars worth in artificial sweeteners to sell every year and that is only a mere five percent of sales worldwide. The desire of craving sugar is only a part of involuntary addiction in which people are trapping themselves within. Point-1: To begin‚ the human brain can very easily stimulated through the consumption of certain kinds of foods
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body temperature or in simple words‚ they cannot maintain a constant internal body temperature. 2. From the graph‚ a. Which animals could be described as true endotherms? Explain From the graph we can see that cat‚ human and platypus are true endotherms. It is because cat‚ human‚ platypus are maintaining a constant internal body temperature. Looking at the vertical axis of body temperature‚ we can see that these animals have very slight or no difference in their internal body temperature. Their
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Vol 455 | 11 September 2008 | doi:10.1038/nature07271 ARTICLES Strigolactone inhibition of shoot branching ` Victoria Gomez-Roldan1‚ Soraya Fermas2‚ Philip B. Brewer3‚ Virginie Puech-Pages1‚ Elizabeth A. Dun3‚ Jean-Paul Pillot2‚ Fabien Letisse4‚ Radoslava Matusova5‚ Saida Danoun1‚ Jean-Charles Portais4‚ ´ Harro Bouwmeester5‚6‚ Guillaume Becard1‚ Christine A. Beveridge3‚7*‚ Catherine Rameau2* & Soizic F. Rochange1* A carotenoid-derived hormonal signal that inhibits shoot branching in plants
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GCSE Biology B General Certificate of Secondary Education Unit B731/02: Modules B1‚ B2‚ B3 (Higher Tier) Mark Scheme for June 2012 Oxford Cambridge and RSA Examinations OCR (Oxford Cambridge and RSA) is a leading UK awarding body‚ providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels‚ Diplomas‚ GCSEs‚ OCR Nationals‚ Functional Skills‚ Key Skills‚ Entry Level qualifications‚ NVQs and vocational qualifications
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The meaning of transgenic is when an organism is altered by having a gene from another species transferred into it. (Page 64) 4. The scientists make the animals develop the desired proteins by‚ putting original human genes in to the animals causing them to express certain human therapeutic proteins in their milk. The scientists access the proteins by‚ giving the animals the genes‚ then they milk the animals and purify the proteins out of the milk‚ and lastly have the proteins made into different
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(common in eukaryotic cells) DNA molecules in a eukaryotic cell are pack aced into chromosomes. Every eukaryotic species has a characteristic number of chromosomes in each nucleus. Humans have 46. Somatic cells (non reproductive cells) have two sets of chromosomes in most plants and animals. (Humans have two sets of 23) Gametes (reproductive cells: sperm and eggs‚ and spores) have hals as many chromosomes as somatic cells. (All of our gametes have 23 chromosomes) Eukaryotic
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Big Idea 2 Biological systems utilize free energy and molecular building blocks to grow‚ to reproduce and to maintain dynamic homeostasis. Living systems require both free energy and matter to maintain order‚ grow and reproduce. Organisms employ various strategies to capture‚ use and store free energy and other vital resources. Energy deficiencies are not only detrimental to individual organisms; they also can cause disruptions at the population and ecosystem levels. Biological systems must both
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