E) 10 billion Answer: D Diff: 1 Objective: 8.1 Scope of human population growth 2) During which time period did the world’s population more than double? A) 1750–1800 B) 1800–1850 C) 1850–1900 D) 1900–1950 E) 1950–2000 Answer: E Diff: 2 Objective: 8.1 Scope of human population growth 3) If a population roughly doubles in the course of 50 years‚ its growth rate would be close to ________%. A) 1.5 B) 5 C) 10 D) 20 E) 25 Answer: A Diff: 2 Objective:
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Chapter 2 Assignment questions and answers 1. A jewelry store makes necklaces and bracelets from gold and platinum. The store has 20 ounces of gold‚ 24 ounces of platinum. Each necklace requires 6 ounces of gold 3 ounces of platinum‚ whereas each bracelet requires 2 ounces of gold and 5 ounces of platinum. The store has to use a minimum of two ounces of gold. The demand for bracelet is no less than three. A necklace earns $375 in profit and a bracelet‚ $225. Formulate a linear programming model
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Biology - Chapter 9 Study Guide (DNA) 1. Define vaccine. Substance that is prepared from killed or weakened diseased causing agents 2. What is the name of the scientist that performed transformation experiments? Griffith Name the living organisms used in these experiments. mice 3. What is transformation? A change in the genotype caused when bacterial cells take up foreign genetic material 4. Who discovered what material was responsible for transformation? What is the material?Oswald
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August 27th 2013 Title: Chapter 2 Note SECTION 1 Experimental Method Science usually begin with observation => a piece of information gathered by using our senses To extend their senses‚ science often use tools such as ruler‚ microscopes … etc Hypothesis => a testable idea or explanation that lead to a investigation Prediction => Logical statement about wat will happen if the hypothesis is correct Observation => Question Hypothesis => Answer It is important that a hypothesis
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CHAPTER 21 ACCOUNTING FOR LEASES CONTENT ANALYSIS OF EXERCISES AND PROBLEMS Time Range (minutes) 5-10 Number E21-1 Content Operating Lease. (Easy) Annual rental payments‚ no renewable option clause‚ executory costs. Lessee’s journal entries to record agreement‚ payments‚ expenses. Capital Lease. (Moderate) Calculation of rental payments made at end of year. Table summarizing lease payments‚ interest expense. Journal entries. IFRS differences. Capital Lease. (Moderate) Payments made at beginning
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Key Terms: • Congregationalism- A system of church governance in which every local church congregation is independent • Patriarchy- A social system in which the male is the primary authority figure central to social organization and the central roles of political leadership‚ moral authority‚ and control of property‚ and where fathers hold authority over women and children. It implies the institutions of male rule and privilege‚ and entails female subordination • “Covenant”- A formal alliance
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Animal Farm Chapter 1 • Mr Jones – tsar of Russia‚ represented the ruling class just before the Communist Revolution of 1917. Orwell wants us to think of him as a person who exploits and oppresses the lower and working class. • Why has Orwell given him an ordinary name? Cruel and selfish behaviour is not found in kings and Tsars only. As we shall see‚ it will not be long before the pigs themselves will be behaving as bad as Mr Jones. • Orwell hated Totalitarianism (government controlled by one
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11. The body uses food to absorb the nutrients needed for the cells and tissues in our bodies. Water is used for chemical reactions‚ carbohydrates are sugars used for energy‚ fats are used for insulation and proteins are used for growth and repair. 12. Carbohydrates provide the body with energy. 13. Proteins aid in growth and repair in the body. They also provide the body with 8 essential amino acids that the body cannot produce by itself. 14. The Food Guide Pyramid classifies foods into six groups
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Topic 2- Pages 38-39 1a. A is a substrate for the enzyme as it has the complementary shape to fit into it. 1b. The non-competitive inhibitor decreases the RoR as it binds to somewhere else than the active site and then causes the active site to change shape meaning the substrate is no longer complementary so it wouldn’t bind together. 1ci. Peptide 1cii. The 35 and 52 amino acids are held close to form the active site due to the tight folding of the polypeptide chains 2ai. There will be
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BIO152 Chapter 43 – The Immune System 1. Describe the function of the immune system. Function: protect body from pathogens + foreign objects‚ destroy infected or malignant cells‚ and remove cellular debris. System includes: thymus‚ spleen‚ lymph nodes and tissues‚ stem cells‚ white blood cells‚ antibodies. 2. Compare innate and acquired immunity‚ and how they differ in terms of how quickly they attack a pathogen‚ and how they recognize a pathogen. Innate immunity- immediate defense
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