Lab Report Factors That Affect Enzymes Reaction Rate Name of lab: Effects of temperature‚ pH‚ Enzyme Concentration‚ and Substrate Concentration on Enzymatic Activity Introduction: Enzymes are the most important types of proteins‚ they act as catalysis (speed up chemical reactions). If enzymes didn’t exist‚ biochemical reactions would act to slowly and they couldn’t keep up with the metabolic functions. Enzymes have a three-dimensional structure that is really complex. This structure consists
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small particles (iodine) can be diffused through simple diffusion. The solution out of the dialysis tubing had a higher distelled iodine concentration of solutes (iodine + H2O) than did the starch solution. So iodine move into the cell and react with starch molecules to formed starchiodine‚ the blue compound‚ with a specific rate. The test show that mean rates of diffusion are significantly different acording to the concentration. So the concentration have an impact on the rate of diffusion. Also‚ the
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How to Overcome a Challenging Obstacle in Your Everyday Living. Amethyst K. Oliver Baker College of Clinton Township Composition I Andrea Nienstedt How to Overcome a Challenging Obstacle in Your Everyday Living. Overcoming a struggle is normal for everyone. People should not be ashamed of what they are not good at; we have to look at the fact that each individual is not going to become good at anything so easily like we want it to be. It is
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experiment‚ the gram negative bacterium Escherichia coli is being subjected to various environmental factors that affect the rate of growth. These factors scrutinized were the different types of nutrients‚ the intensity of aeration‚ or the temperature at which it was stored. The purpose of this lab is to determine which factor affects the Escherichia coli the greatest. It is known that these abiotic factors affect the rate of growth the greatest if they remain at the correct conditions for living.
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Contents CHAPTER ONE 5 INTRODUCTION 5 1.1 Problem Statement 5 1.2 Justification 5 1.3 Objectives 5 CHAPTER TWO 5 LITERATURE REVIEW 5 2.1 Introduction 5 2.1.1 Behavior change theory and practice for environmental behaviors 5 2.1.2 Impact of individual attitudes on environmental behavior change 5 2.2 The concept of the environment 5 2.3 Human impact on the environment 5 2.4 Environmental consciousness 5 2.4.1Concept of environmental consciousness 5 2.4.2 Who is environmentally
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Manrique 5 How to Overcome an Addiction I. Introduction Thesis statement: People can overcome addictions by changing three main aspects of their lives which are: self-esteem‚ social circle and entertainment. II. Body A. People’s self-esteem need to be improved in some aspects. 1. Deep personal knowledge a. Answer questions like who I am‚ what I want b. Know weaknesses and strengths 2. Confidence a. Example of what make drugs to people 3. Expectations a. How expectations help people feel good
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will lead to the decrease of visibility. The problem is getting more serious. According to the Hong Kong Observatory‚ low visibility occurred 18% of the time‚ which is the highest on record‚ in 2004. And the number of days in visibility which was less than eight km rose to 102 in 2005 from 40 in 1997. Not only does the air pollution have deep influence on environment‚ also citizens’ health. The Hong Kong Medical Association estimates that air pollution can cause asthma‚ impair lung function. And raise
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INTERNATIONAL ENVIRONMENTAL PROBLEMS AND GLOBAL SEARCH FOR SOLUTIONS. Global environmental problems involve one or more of the following: 1. Deforestation 2. Desertification 3. Rapid Population Growth 4. Food Production and Equitable Distribution 5. Global Warming 6. Depletion of the Atmospheric Ozone 7. Acid Precipitation and Air Pollution 8. Ocean Pollution Characteristics of International Environmental Problems: 1. Many of the international problems involve the use
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Exercise affects all people differently‚ specifically a person’s heart rate and blood pressure. After exercising your heart rate should increase and your blood pressure should decrease (Blood Pressure Association‚ 2008). The purpose of this lab was to determine which level of exercise would have the greatest impact on affected pulse and blood pressure. In this lab we tested how exercise affected heart rate by testing a random group of people with different body types and exercise levels to see how different
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used to convert inorganic compounds into organic substances with the subsequent release. There are many factors which can have an effect on the process of photosynthesis; in this laboratory experiment‚ the focus lies on carbon dioxide (CO2) availably and its effect on photosynthesis. By understanding the component that affect the rate of photosynthesis‚ one can do work to try and increase the rate of photosynthesis. The purpose of this laboratory experiment was to determine which solution would have
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