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Today: Intro to Animals
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http://wisdomquarterly.blogspot.com/2008/07/painful-facts-dukkha.html Skills needed for the exams:
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http://wisdomquarterly.blogspot.com/2008/07/painful-facts-dukkha.html 1. Understand material from lecture. Quizzes can help diagnose. Be self-critical and skeptical. Skills needed for the exams:
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1. Understand material from lecture. 2. Be able to apply the information. http://www.youtube.com/watch?v=lDbSbOsoRnY Skills needed for the exams:
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http://wisdomquarterly.blogspot.com/2008/07/painful-facts-dukkha.html 2. Be able to apply the information. Lecture is presented linearly, but applying the information may mean seeing it non- linearly. Skills needed for the exams:
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http://wisdomquarterly.blogspot.com/2008/07/painful-facts-dukkha.html 3. Communicate what you know. If I answered your question with what you wrote down, would it make sense? Skills needed for the exams:
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1. Understand material from lecture. 2. Be able to apply the information. 3. Communicate what you know. Skills needed for the exams: http://www.mac-pac.org/temp/motivation.html
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Global area planted with GM crops http://www.gmo-compass.org/eng/agri_biotechnology/gmo_planting/257.global_gm_planting_2006.html And http://www.monsanto.com.au/_images/global_area_chart.gif Texas=70ha
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Have GMO's been beneficial, and what are the risks?
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We have genetically modified both plants and domesticated animals... What about humans?
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Fig 20.22 Using viruses to add genes to humans
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As with computer technology, the plunging cost of DNA sequencing has opened new applications in science and medicine. Graph: ADAPTED FROM GRAPH PROVIDED BY JEFFREY SCHLOSS/NHGRI GENE SEQUENCING: The Race for the $1000 Genome (17 March 2006) R Service Science 311:1544 - 1546 The material cost will soon be ~$1,000 to sequence a complete human genome at a consumer cost of ~$5,000 http://www.nature.com/news/2008/081006/full/news.2008.1151.html
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How close are we to picking our offspring? Karyomapping is a new technique developed at a British fertility clinic can test for 15,000 known genetic disorders. It takes DNA from 8-day-old in vitro fertilized embryos as well as from the parents and possibly other relatives. The test costs ~$2,300. http://news.bbc.co.uk/2/hi/health/7688299.stm
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How close are we to picking our offspring? “…the test could also be used, more controversially, to detect a genetic profile which showed a susceptibility to conditions such as heart disease or cancer.” http://news.bbc.co.uk/2/hi/health/7688299.stm
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When does picking the ‘best’ become choosing traits? Sex ratio in China, est. 2008 at birth: 1.11 male(s)/female under 15 years: 1.13 male(s)/female 15-64 years: 1.06 male(s)/female Compare to U.S. at birth 1.05 male(s)/female http://www.indexmundi.com/china/demographics_profile.html
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When does picking the ‘best’ become choosing traits? What ‘abnormality’ might a parent choose? One study found that each inch above average may be worth $789 more in salary per year. Journal of Applied Psychology T. Judge and D. Cable (Vol. 89, No. 3).
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Life as we know it… Fig 26.21 Animals
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One important consideration of structure and function…surface area Nalca leaves http://www.celebratebig.com/chile/index3.htm
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One important consideration of structure and function…surface area Fig 40.3
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Why is surface area so critical? Animals (and plants) must exchange various components with the environment Fig 40.4
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Organisms are organized: atoms molecules organelles cells tissues organs systems organisms Fig 1.4
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Four major tissue types in animals: epithelial, connective, muscle, and nervous Fig 40.5
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Epithelieal tissue: Covers and lines body and/or parts. Tightly packed cells.
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Connective tissue: Holds and supports. Few cells with an extensive extracellular matrix. Fig 40.5
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Muscle tissue: Movement. Long muscle fibers cells. Nerve tissue: Signaling. Generally long cells, neurons. Fig 40.5
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Different tissues that comprise the stomach, an organ.
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Next: the Nervous System Fig 48.3
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