increased the amount of carbon dioxide being released into our environment. The team of researchers also discovered that magnified pyrite (commonly known as fool’s gold) oxidation created acidity that allowed carbon dioxide into our oceans and altered the Earth’s carbon cycle. Over a time period of 10‚000 years‚ glacial oxidation could have altered the concentration of carbon dioxide in the Earth’s atmosphere by nearly
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The Determination of the Effect of pH on Amylase Activity Grace Chung Abstract: Amylase is an important enzyme in the human body as it allows for the consumption of starch by breaking the polysaccharide down into maltose units. All enzymes‚ including amylase‚ function best at a certain optimal pH. Therefore‚ in this experiment‚ the effect of different pHs on the reaction rate of amylase is studied. It was hypothesized that the amylase-starch reaction would proceed fastest at a pH closest to
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Mohammed N. M. Sayan ESL 0405 ESL Advanced Writing Date: February 13th‚ 2013 Dr. J. Parla Palumbo Topic: Crime Reduction Title: What can I do to reduce crime? Thousands of crimes happen all over the world and increase exponentially every year. According to Nations Master’s website‚ more than twelve million crimes committed in the United states last year. "Crime statistics." nationmaster.com. Rapid Intelligence‚ 2002. Web. 25 February 2013. All of these crimes have happened due to high poverty
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How Temperature Affects Amylase Activity Abstract This study of the effect of temperature on the enzyme amylase was performed to determine the relationship between the enzyme amylase and temperature. The rate of reaction was found to increase as the temperature of the environment was raised. As the temperature was raised from 5°C‚ 20°C‚ 35°C and finally to 80°C the rate of reaction followed this trend and also increased. However as predicted in the hypothesis of this experiment when the temperature
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Name ___Sarah Carter___ Wire Resistance and Ohm’s Law Go to http://phet.colorado.edu/simulations/sims.php?sim=Ohms_Law and click on Run Now. Wire Resistance and Ohm’s Law Procedure Part I Wire Resistance: open the PhET Simulation Electricity‚ Magnets‚ and Circuits Resistance in a Wire. As wire length (cm) increases‚ the resistance (Ω) ___increases____ As wire area (cm2) increases‚ the resistance (Ω) ___decreases___ As wire resistivity (Ωcm) increases‚ the resistance (Ω) ____increases__
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INTRODUCTION Enzymes are a protein serving as a catalyst‚ a chemical agent that changes the rate of the reaction without being consumed by the reaction. Enzymes are proteins made up of long chains of amino acids. These form complex shapes. The enzymes are individuals‚ like the different players on a ball team‚ they have different specific structures and jobs. As one ball player may be very tall and one short‚ the specific different shape of the active site on an enzyme is unique and prepares it
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THE ROMANOV FAMILY 1) Hemophilia is a kind of sex-linked disorder. The Romanovs actually have a child with symptoms of hemophilia. It is possible‚ that a family with the same genotypes have no children with hemophilia‚ because in Alexandra’s family this disorder was present then the chance of having a normal child was 50%. This is true each time a child is born to the family. 2) Skeletons can be identified trough few techniques in order to determine the age‚ sex‚ and race of the decedent.
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Title: The Green Oxidation of Borneol to Camphor Date Conducted: February 8‚ 2012 April 27‚ 2012 Abstract: The goal of this experiment was to perform a Green Oxidation of Borneol to Camphor‚ without the use of Chromium synthesis since it is toxic to the environment. Reagent Table: |Chemical Name |Amount used |Molecular weight |Concentration |Density g/mL |BP °C |MP °C |Chemical Formula
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the international poverty line include; – Guatemala‚ – Guinea-Bissau‚ – India‚ – Kenya‚ – Lesotho‚ – Madagascar‚ – Nepal‚ – Niger‚ – Senegal‚ – and Zambia • Analysts have found a strong positive relationship between economic growth and poverty reduction. • For example‚ East Asia (excluding China)‚which contains the world’s fastest-growing economies‚ reduced the share of its population living in poverty from 23 percent in 1987 to less than 14 percent in 1993. But in Sub-Saharan Africa‚ where negative
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Cardiovascular Endurance I did the 1 mile walk and my time was 17 minutes and 26 seconds. My heart rate at the end of my walk was 100 bpm. My VO2 max was a 48.72 and for my people are around my age that just ranked in the category of just good. I was not able to perform the 3 minute step test because of medical reasons. The benefits of the step test would be that there is not a lot of energy being exerted by the participants. Unlike running‚ stepping comes natural making this test less challenging
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