Free Will Free will is the power to choose among real alternative possibilities. To have free will is to have what it takes to act freely. When an agent acts freely (when she exercises her free will) what she does is up to her. A plurality of alternatives is open to her‚ and she determines which she pursues. When she does‚ she is an ultimate source or origin of her action. So runs a familiar conception of free will. Incompatibility holds that we act freely in this sense only if determinism is false
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Effects of pH on the Function of Enzymes Rena Mototani Glen Rock High School Advanced Biology 2014-2015 Effects of pH on the Function of Catalase Rena Mototani Problem: How does the pH of a cell affect the function of the enzyme catalase? Introduction In this lab‚ we experimented the effects of pH on the function of the enzyme catalase. Catalase is an enzyme that brings about the reaction by which hydrogen peroxide is decomposed to water and oxygen (Encyclopedia Britannica). The
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1. A) I would expect the active site of nylonase to consist mainly of polar amino acids with a few nonpolar amino acids as well because the substrate for nylonase is polar overall‚ but has many nonpolar bonds. What makes me think that the nylonase enzyme is polar is that the substrate that would bind to the active site of nylonase has extreme polarity between carbon and oxygen‚ and between hydrogen and nitrogen due to their differences in electronegativity’s‚ but it still has the nonpolar bonds between
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The experimental results were different from the hypothesis because while the enzyme appeared to not work as well‚ I expected a more significant change. Most of the time‚ there was only a millimeter of difference of the foam between the two samples while I expected a greater difference such as 10 millimeters. Enzymes speed up chemical reactions and at the active site‚ a substrate can be broken down or two substrates can form a larger molecule. Hydrogen peroxide is broken down by peroxidase into water
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reaction. Life would not exist without the presence of enzymes (Phillips‚ 2017). Through chemical reactions‚ this energy is created and is controlled by a catalyst‚ enzymes. Enzymes are known as proteins that are produced in living cells that speed up the metabolic processes of an organism. These catalysts speed up these reactions by decreasing the activation energy‚ how much energy is needed for a chemical reaction to happen (WBC‚ 2015). An enzyme-substrate complex forms when a substrate attaches to
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Enzyme Lab Report Introduction The objective of this experiment was to determine if changes in pH or temperature affected the activity of enzymes‚ specifically the enzyme sucrase. Enzymes are protein molecules that act as biological catalysts to increase the speed of the reaction or to lower the activation energy of that reaction. However‚ the activity of an enzyme can be affected by physical factors such as pH and temperature because these factors alter the structure of the enzyme (Freeman‚ 2011)
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Ah Seung Chong Molecular Biology CTW: Enzyme Kinetic Dr. Cruz 07/22/2010 Enzyme kinetics Introduction Enzymes are biological catalysts or assistants‚ without enzyme many of important processes of life could not happen. Most of enzymes are proteins that help speed up chemical reactions by lowering amount of activation energy needed for the reaction1. Enzymes are usually highly selective‚ only bind to specific substrate and convert it to product at a particular rate1. The rate of the reaction
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Enzyme Lab Report Introduction: Enzymes are proteins that enable chemical reactions. In the enzyme lab‚ the effects of concentration‚ temperature and pH on the functionality of the enzyme catalase. The enzyme lab was also about measuring reactions by capturing the oxygen that was generated by the reaction. Materials and Methods: Experiment 1‚ 2‚ & 3 Experiment 1 examined the effects of concentration on catalase activity. Experiment 2 examined the effects of concentration in temperature
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Writing a Critical Response Essay A critique/critical response is an analysis of and a commentary on another piece of writing. A critical response essay (or review) has two missions: to summarize a source’s main idea and to respond to the source’s main ideas with reactions based on one’s own opinion/beliefs. 1. Summarizing The first step to writing is to read actively and thoughtfully‚ seeking answers to the following questions: a. What are the main points‚ ideas‚ or arguments of
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formalised practice in the first World War. The swift mass production of munitions led to many manufacturing defects‚ and a large proportion of shells fired by both sides were found to be "duds".These were hazardous to attacker and defender alike. In response‚ the British dedicated a section of Ordnance Examiners from the Royal Army Ordnance Corps to handle the growing problem. In 1918‚ the Germans developed delayed-action fuzes that would later develop into more sophisticated versions during the 1930s
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