3 Phases of Carbon Cycle Phase 1: Carbon fixation The Calvin cycle incorporates each CO2 molecule by attaching it to a five-carbon sugar named ribulose biophosphate (abbreviated RuBP). The enzyme that catalyzes this step is RuBP carboxylase‚ or rubisco. The product of the reaction is a six carbon intermediate so unstable that it immediately splits in half to form two molecules of 3-phoshpyglycerate (for each CO2) Phase 2: Reduction Each molecule of 3-phsophoglycerate receives an additional
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Journal of International Economics 56 (2002) 299–327 www.elsevier.com / locate / econbase Explaining business cycles in small open economies ‘How much do world prices matter?’ M. Ayhan Kose* Graduate School of International Economics and Finance‚ MS-021‚ Brandeis University‚ Waltham‚ MA 02454‚ USA Received 27 May 1998; received in revised form 20 October 2000; accepted 7 April 2001 Abstract This paper analyzes the role of world price shocks – fluctuations in the prices of capital‚ intermediate
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1. What are the different restriction points of the cell cycle? Describe each. G1 (Restriction) Checkpoint * End of G1‚ just before onset of the S phase (DNA replication) * Yeast “start”; other eukaryotes “restriction point” * The options for the cell at this point: * divide‚ delay division‚ or exit the cell cycle * Cells can exit the cell cycle at this point into an arrested stage (G0) * When this checkpoint is passed‚ cdk4 and cyclin D
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Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell b. Chromatin coils to form visible chromosomes c. The nuclear membrane disappears d. Sister chromatids line up in the center of the cell 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Table 1: Record your data for the number of cells in
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may seem like a significant increase‚ from a country’s perspective the growth is mediocre. This growth in real GDP ranks Uruguay as 94th world-wide in GDP purchasing power parity. Uruguay’s economy is in an expansionary peak phase of the Business Cycle as evidenced by the fact that GDP (purchasing power parity) was $44.029 billion in 2009 due to the world-wide economic crisis as a result of the United States’ Great Recession. Therefore the 2013 Uruguay rGDP of $56.27 billion shows a strong rebound
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Cycle of Poverty Do poor children become poor adults? Does your financial status predetermine you and your family’s success rate? The cycle of poverty is a cold hearted phenomenon. Throughout the world families struggle to break the cycle of poverty- but does it work? In Native Son by Richard Wright‚ the cycle of poverty rules the Thomas family. They are born into poverty and find it extremely difficult to lift themselves out of their tragic situation. Although several individuals in the novel
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THE WATER CYCLE STORY 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 years ago‚ there lived a water molecule it’s name was Joel. He was not a very smart water molecule. He lived `in Canada in a water tower on a mountain‚ when one day there was a big rainstorm that broke the water tower right off the mountain. After that there was a huge crack in the water tower and all the water poured out a rolled down the hill/surface runoff. Then Joel
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Cell Growth and Reproduction Study Guide The Cell Cycle Study Guide Vocabulary – Cell Cycle‚ Mitosis‚ Cytokinesis 1. How did the G1 and G2 stages get their names? 2. Cells must pass through a critical checkpoint during which two stages of the cell cycle? 3. Where does DNA synthesis happen in eukaryotic cells? 4. What two processes make up the M stage? 5. Among different types of cells‚ which stage of the cell cycle varies most in length? 6. Why does a skin cell divide
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The water cycle is nature’s way of showing how water moves around. The water cycle is a continuous cycle where water evaporates‚ travels into the air and becomes part of a cloud‚ falls down to earth as precipitation‚ and then evaporates again. This never ending cycle is everywhere. One of the places that it occurs in is the Amazon Rainforest. The Amazon Rainforest is a unique habitat filled with wildlife. With its tropical weather‚ the Amazon has an abundance amount of rain per year. In addition
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Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell- Anaphase b. Chromatin coils to form visible chromosomes - Prophase c. The nuclear membrane disappears- Prophase d. Sister chromatids line up in the center of the cell- Metaphase 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Metaphase
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