Resting metabolic rate can vary with age independently from body mass changes in the Colorado potato beetle‚ Leptinotarsa decemlineata. Abstract A study was done by Saija Pironine‚ leena Lindstrom‚ and Anne Lyytinen in the Journal of Insect Physiology‚ to investigate the age dependence of resting metabolic rate in Colorado potato beetle (Leptinotarsadecemlineata) from adult emergence until age 10 days. In their hypothesis they expected to see a bell shaped pattern in metabolic rate with adult age
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Introduction The nation’s high unemployment rate is a result of a severe drop in demand for goods and services. It’s not a reflection of longer-term structural changes in the economy but rather cyclical changes in the economy. The demand for goods has been limited because of tight credit‚ decreases in government budgets‚ suppression of demand by consumers and foreign markets‚ and the inability by the fed lower interest rates. Even with the low level of interest rates the Fed is currently practicing a tight
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can be potentially more important for the next generation than it is for us. The issue is birth rate or population‚ what it is now and what it will be in the future. First of all‚ what is birth rate? The birth rate is the total number of births per 1000 of a population in a year. As you may know‚ by subtracting the death rate from the birth rate we will result in the rate of population. Here is a display of the birth rate from 1950 to 2015. Year Birth rate 19501955 37.2 19551960 35.3 19601965 34.9
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experiment is to determine the rate law and the activation energy for the reaction between persulfate ion‚ S2O82-‚ and iodide ion‚ I-: S2O82-(aq) + 2 I-(aq) 2 SO42-(aq) + I2(aq) The rate law can be written as Reaction rate = (1) Where m and n are the orders with respect to S2O82- and I-‚ respectively‚ and k is the rate constant. Determining the rate law involves determining the values of m and n. The temperature dependence of the rate constant is given by (2)
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of smoking’s effects‚ and it can help a quitter stick with it if they can build up an overall picture of what smoking has been doing or could do in future to their body. Short term effects on the Circulatory System include: Increased heart rate and increased blood pressure‚ rarely beneficial to the health in any person. The extra strain on the heart effectively means it could become diseased or suffer complications much sooner than in a non-smoker. The constriction of blood vessels compounds
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equations including numerator and denominator‚ not just a final number. Present your work in a comparative format using a table as illustrated: 1) Gross profit for 2008 PepsiCo Coca-Cola and Gross profit rate for 2008. 2) Percent change in operating income from 2007 to 2008. 3) Accounts receivable turnover for 2008. 4) Days sales in receivable for 2008. 5) Inventory turnover for 2008. 6) Days inventory on hand for 2008. 7) Increase (decrease) in cash and cash equivalents from 2007 to 2008
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Cigarette law reinforced Have you ever been around someone smoking? Yuck right‚ well almost half of the world’s children breathe air polluted by tobacco smoke‚ which worsens asthma and causes dangerous disease. America has a problem with smoking‚ an estimated 430‚000 Americans die each year from the effects of cigarette smoking. But the real problem is not just people smoking but it is when people toss their cigarette buds out their car window. About 240 million cigarette buds are thrown on the
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Some people feel that our society is moving toward regarding cigarette smoking as deviant. Before determining whether it is true or not‚ there is a need to define what is deviant. According to the Oxford dictionary (2008)‚ deviant means “different from what most people consider to be normal and acceptable” (p. 547). What does it mean? To tell what is deviant and how to determine if an act is deviant‚ different scholars would use different approaches‚ for example: biological‚ psychological‚ and
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Explain why teens smoke cigarettes According to the BaiDu‚ more than 80‚000 young people around the world start smoking every day. Most people start smoking when they are teenagers‚ which make it more difficult to quit. The earlier the habit begins‚ the harder it is it to stop‚ although many teenagers make multiple attempts to stop smoking. There are three main reasons why teens start smoking which is boredom‚ lose the weight and as a response to the stress of school and family life. Just like
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to quit their habit. Electronic cigarettes (also known as e-cigarettes and electric cigarettes)are the newest product on the market. They are designed to look and feel like real cigarettes‚ even down to emitting artificial smoke however they do not actually contain any tobacco. Users inhale nicotine vapour which looks like smoke without any of the carcinogens found in tobacco smoke which are harmful to the smoker and others around him. The Electronic cigarette consists of a nicotine cartridge containing
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