Experiments on the Enzyme Catalase Aim: The aim of this practical is to use three different techniques to investigate the effect of different concentrations of the enzyme catalase on the rate of breakdown of hydrogen peroxide. Background information Catalase is an enzyme which is found in all living organisms. This enzyme catalases the decomposition of hydrogen peroxide into water and oxygen. Cells continually produce a poisonous by-product of metabolising‚ called hydrogen peroxide. This is very damaging
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Biology Enzymes IA Design Introduction: Enzymes are globular proteins‚ they are responsible for most of the chemical activities of a living organism. They act as catalysts‚ substances that affects the reaction of other substances without being destroyed or altered during the process. They are extremely efficient in the body system of living organisms‚ one enzyme may catalyse over a thousand chemical reactions every second. But there are certain conditions that need to be fulfilled in order for the
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What should you do if you suspect abuse. If a person does not tell you but you suspect that they are being abused‚ you need to tell your manager You may want to talk to the person before you contact the relevent authorities. If you do this‚ bring the subject up sensitively by letting the person know that you are concerned about them and want to support them. Listen to them without being impatient or critical of them or their actions. Letting them talk and share their concerns is very important
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Does rats have Rights? Gay rights advocates‚ feminists‚ and other civil rights groups have become familiar to most Americans today. But another group‚ equally militant‚ is making itself heard‚ and it promises to become a major force to be recognized: the anti-vivisectionists. They leave wheedled‚ nagged and sometimes bombed their opponents in the scientific world. Some of these groups have burned down university buildings‚ broken into labs‚ flung open cage doors and "liberated" cats‚ rabbits
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I have had many ups and downs in my personal and professional life‚ but I have never really grasped the concept of success. Success or failure does not depend on the intricate details of a plan‚ it is totally the opposite. I now know that a key factor in whether I fail or succeed is self-direction. I have learned the recipe for success depends on the planner and how well that plan is executed. If I have learned anything‚ it is that setting short and long term goals‚ time management and organization
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How effective is sweating at cooling you down? DC The temperature of each test tube that contains water which had different conditions that was measured each minute Temperature (±0.05 °C) Minute Dry Dry/Windy Wet Wet/Windy 1 77 82 70 76 2 75 80 64 70 3 72 76 59 65 4 69 73 55 60 5 67 71 53 57 6 65 68 50 53 7 64 66 48 51 8 63 64 46 48 9 61 61 44 46 10 59 60 42 44 11 58 58 41 43 12 56 56 40 41 13 55 55 39 40 14 54 53 38
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Abstract: After reviewing the basics of enzymes and catalysis‚ we take a dive into the wonderful world of catalase. Beginning with establishing a base line of just how much hydrogen peroxide there is in 5.0mL of the reacted solution; to figuring out exactly how much actually reacted after 300 seconds of catalyzed reaction. Follow the experiment from the beginning steps right to the end as you see where the students went wrong‚ interpretation of the results‚ and great answers to work sheet
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Experiences…How do they make you‚ “you”? What do you think makes you‚ “you”? I think your culture‚ religion‚ and experiences contribute to make a person who they are. I believe that certain aspects of humans and their experiences work together to create a person. For me‚ culture or religion can help shape a person’s characteristic because they play important roles in affecting how they view life. Another characteristic that can influence who or what a person is‚ is their experiences. When you experience
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Hydrogen and the Noble Gases Hydrogen is the chemical element with atomic number 1. It is represented by the symbol “H”. It is an odorless‚ nonmetallic‚ tasteless and highly explosive gas. Hydrogen is the lightest and most abundant chemical element in the universe. It forms 1- ions when combined with metals‚ and 1+ ion when combined with non-metals to form acids. Hydrogen is “the fuel of life”; without it to combine with oxygen we would not have water. Water is made of two parts hydrogen
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How Do You Feel About Atheism? Lauren Martino Inquiry Skills Pre- IB Ms. DiVarco 29‚ April 2012 Word Count: 1277 0699118 Table of Contents I. Introduction A. Are there signs that Atheism is spreading globally within the past 20 years II. Body B. Population which believes in Atheism a. Start off with a block quote to catch the reader’s attention about which part of the world believes in Atheism b. Have statistics to show change over time of different
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