13; Astrophysics Assessment Statements |E.1.1 |Outline the general structure of the solar system | | |E.1.2 |Distinguish between a stellar cluster and a constellation | | |E.1.3 |Define a light year | | |E.1
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10.1.3 CROSSING OVER Outline the process of crossing over in : Meiosis 1: • Prophase I - homologous chromosomes are paired up tightly into tetrads‚ then crossing over‚ the exchange of genetic material between the DNA in these tetrads occurs‚ forming a chiasmata‚ an x-shaped structure. • Metaphase I - paired chromosomes line up along the equator of a cell‚ the metaphase plate as the spindle microtubulue apparatus pulls them. • Anaphase I - The spindle microtubules pull homologous chromosomes
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Discuss the use of technology in investigating one cognitive process-Alzheimer’s disease and memory loss Alzheimer’s disease is a degenerative brain disorder that results in memory loss‚ impaired thinking and personality change. No blood test‚ brain scan‚ physical exam can definitely diagnose Alzheimer’s disease. PET scan detect radioactively tagged glucose that are injected into a patient’s body before the imaging. Glucose enters through blood stream and brain. The most active brain areas
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Commentary: EU to impose anti-dumping tariffs on Chinese solar panels. Free trade versus protectionism is a topic of great debate in internal economics. The former takes place when there are no barriers to trade established by the government or international organizations. On the other hand‚ protectionism is the use of barriers to imports in a determined country and it is usually applied to protect domestic employment and firms. According to the article‚ China is being accused by the EU of
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You are the international manager of a U.S business that has just developed a revolutionary new personal computer than can perform the same functions as existing PC’s but costs only half as much to manufacture. Several patents protect the unique design of this computer. Your CEO has asked you to formulate a recommendation for how to expand into Western Europe. Your options are a) To export from the United States; b) To license a European firm to manufacture and market the computer in Europe;
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Charles Martin in Uganda: What to Do When a Manager Goes Native Q1) For a foreign company conducting business in Uganda‚ it was inevitable that Ugandan culture will largely affect the business operations of that foreign company. There are many cultural factors of Uganda which will have a large impact on the foreign company’s operations. One of the factors is “grease money” or a sort of a bribe‚ which was paid to accomplish something or speedup a task. Another attribute was their belief in the
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4W Experiment to Verify Snell’s Law of Refraction and to Estimate the Speed of Light inside a Transparent Plastic Block 1. Preparation: a) Read about refraction of waves and Snell’s Law. b) Find the relation between the refractive index of a medium and the speed of light in that medium. c) Read about total internal reflection; especially the definition of the “critical angle of incidence”. 2. Using the special apparatus provided‚ measure the angles of refraction corresponding to a wide range of
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M10/4/PHYSI/SP2/ENG/TZ1/XX+ 22106511 Physics standard level PaPer 2 Candidate session number Monday 10 May 2010 (afternoon) 0 1 hour 15 minutes 0 INSTRUCTIONS TO CANDIDATES • • • • • Write your session number in the boxes above. Do not open this examination paper until instructed to do so. Section A: answer all of Section A in the spaces provided. Section B: answer one question from Section B in the spaces provided. At the end of the examination‚ indicate the
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How can we recognize when we have made progress in the search for knowledge? Consider two contrasting areas of knowledge. The search for knowledge is a constantly ongoing process. So how are we to know if we have made any progress? Progress is development‚ advancement‚ and moving forward. In this case it is the progress in the search for knowledge in an area of knowing. Within the areas of knowing the strongest contradiction is between human science and natural science. Human sciences
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social comment and analysing if using humour is an effective technique. Exposing social commentary through humour is an effective method used by sitcoms. The comment the Simpsons’ creators are trying to depict is that extremists make many people feel insecure because they don’t express their beliefs as boldly as them. The Simpsons doesn’t convey that all extremists including environmentalists‚ religious‚ economic and political extremists are all ruthless; however they need to be conscious about how
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