Enzymes and their importance in plants and animals (25 marks) Enzymes are biological catalysts‚ which accelerate the speed of chemical reactions in the body without being used up or changed in the process. Animals and plants contain enzymes which help break down fats‚ carbohydrates and proteins into smaller molecules the cells can use to get energy and carry out the processes that allow the plant or animal to survive. Without enzymes‚ most physiological processes would not take place. Hundreds of
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Omar Shbeeb Toothpick Enzyme Lab 9/25/13 Introduction Enzymes are used in all metabolic reactions to control the rate of reactions and decrease the amount of energy necessary for the reaction to take place. They are responsible for the thousands of chemical interconversions that sustain life. Enzymes are referred to highly selective catalysts‚ meaning they speed up the rate of metabolic reactions. To react‚ they need to find a perfect match with a substrate. They converge at a place called an
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Broadly speaking‚ enzymes are proteins that is produced to perform as a biological catalyst in chemical reactions. Catalyst are used to increase the rate of a chemical reaction. In this study‚ we performed two different experiments that investigated the effect of varying substrate concentration‚ and the effect of temperature on the rate of Enzyme-Catalase reaction. In experiment one (i.e. the effect of varying substrate concentration on the rate of enzyme-catalase reaction) we tested the hypothesis
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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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The Tragedy of Commons Bite-sized trash were found in the North Pacific Ocean‚ known as the Great Pacific Garbage Patch. Scientists from the University of California found more plastic bits than anticipated‚ and a San Diego press conference was held to document the harmful impacts of the trash on coastal marine life. Some trash travels a long journey all the way to the center of the ocean. They float on the surface and release potentially toxic chemicals while decomposing‚ bring disruption to marine
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certain environmental factors affect the enzyme activity rate. For the first experiment‚ where we tested the increase in concentration of enzyme with the substrate‚ we found that higher concentration of enzyme increases the rate of reaction of the enzyme. This is because more enzyme molecules are present‚ which allow more substrate molecules to get into the active sites of the enzyme (Sattler W& Esterbauer H). When calculating the absorbance of different enzyme concentration‚ it was noticeable that
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Experiment 4 – Effect of Temperature on Enzyme Activity Aim To study the effects of temperature on the activity of amylase enzyme on starch solution. Introduction Enzymes are widely known as biological catalyst. Almost all cellular reactions are controlled and guarded by enzymes. Virtually every metabolic reaction which takes place within a living organisms are catalyzed by enzymes. Enzymes are complex three-dimensional globular proteins. Some of the enzymes are built up off proteins and some
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TITLE: Enzymes AIM: To investigate the effect of temperature on the enzyme lipase INTRODUCTION: The phenomenon of catalysis makes possible biochemical reactions necessary for all life processes. Catalysis is defined as the acceleration of a chemical reaction by some substance which itself undergoes no permanent chemical change. The catalysts of biochemical reactions are enzymes and are responsible for bringing about almost all of the chemical reactions in living organisms. Without enzymes‚ these
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PROJECT BACKGROUND AND HISTORY SOUTH COTABATO II ELECTRIC COOPERATIVE‚ INC (SOCOTECO II) The South Cotabato II Electric Cooperative‚ Inc. (SOCOTECO II) was organized & registered with National Electrification Administration on May 7‚ 1977 as the 84th electric cooperative by virtue of Presidential Decree No. 269‚ whose primary objective is to make electric service available throughout its coverage area. The coverage area of SOCOTECO II is located in the southernmost tip of the Philippines
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Purpose: Restriction enzymes cut DNA at a certain palindromic sequence. Three samples of lamda DNA set up to be cut with restriction enzymes PstI‚ EcoRI‚ or HindDIII. There were also two more samples‚ one of these samples was not mixed with any restriction enzyme and the other was a marker‚ which used an enzyme which creates fragments with a known number of base pairs used to create a standard curve. All five samples were put through agarose gel electrophoresis in order to estimate the amount of
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