Free Enzyme Catalysed Reaction Essays and Papers

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Free Enzyme Catalysed Reaction Essays and Papers

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    Investigating the Effect of Concentration on the Rate of Enzyme Catalysed Reaction To investigate the effect of concentration on the rate of enzyme catalysed reaction I must know all the factors that affect it in order to investigate in this. Here are all the factors: Temperature- Enzyme like it warm but not too hot. Enzymes are biological catalysts, which speed up chemical reactions. They work most efficiently at the optimum point (37°C). If they are below 37°C they will work slower

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    Enzymes Investigation

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    Enzymes Investigation In this investigation, I will assess how changing the concentration of substrate affects the rate at which an enzyme-catalysed reaction occurs. An enzyme is a biological catalyst. It speeds up a reaction but does not react itself. Enzymes usually catalyse the breakdown of substances into less complex substances. The substance an enzyme acts on is known as the substrate. Each enzyme is specific to one substrate. Enzymes work best in specific conditions of temperature

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    Catalase Activity Experiment Aim: to find out if different concentration of hydrogen peroxide release different amounts of oxygen when in contact with catalase enzyme. Risk assessment: Hydrogen peroxide is corrosive and can therefore irritate the skin and damage the eye if it comes into contact with these. To prevent this extra caution must be taken to avoid contact with the skin and goggles should be worn while carrying out the experiments. Other sharp implements such as the scalpel

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    Effect of a Catalase on the Breakdown of Hydrogen Peroxide Aim To follow the progress of a catalysed reaction by measuring the volume of gas produced as the reaction proceeds. Using the initial rates of a series of experiments I will be able to find the orders of the reaction with respect to enzyme and substrate. Also to find out if concentration has an effect on the reaction when an enzyme is used to accelerate the breakdown of hydrogen peroxide. Introduction / Background Information

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    with distilled water will affect the rate of the catalysed reaction between hydrogen peroxide solution and manganese oxide. I will be studying the chemical catalyst manganese and its reaction with different concentrations of hydrogen peroxide. The liquid hydrogen peroxide decomposes according to the equation: 2H202 (l) 2H20 (l) + 02 (g) So to measure the rates of reactions we will measure the amount of oxygen given off by the reaction. ------------------------------------------------------------------

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    Enzyme Reactions and Temperature Purpose Aim - To determine the effect of temperature on the rate of reaction of rennin when it reacts with milk to cause coagulation. Hypothesis - As rennin is naturally found in the human stomach I believe that the optimal temperature for reaction will be approximately 37°C as this is the regular human body temperature. This is shown by the graph below. [IMAGE][1] Background Research Rennin is "an enzyme that catalyses the coagulation of milk

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    Glycolysis Essay

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    pyruvate. Glycolysis consists of ten enzyme catalysed reactions. Cells can only utilise phosphorylated glucose. The first reaction in glycolysis is therefore a phosphorylation of glucose to glucose 6-phosphate. In E. coli this is generally performed by the glucose specific phosphotransferase system (PTS) [9]. This system consists of several enzymes that use phosphoenolpyruvate (PEP) produced during glycolysis as the phosphate source. The products of the reaction are glucose 6-phosphate and pyruvate

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    source of food through Krebs cycle. Krebs cycle is defined as “a central part of the energetic metabolism that contributes to the generation of ATP by the chemical breakdown of carbohydrates, fats and proteins. It is a series of chemical reactions catalysed by enzymes occurring in the inside of mitochondria called the matrix and which can be disposed circularly” (Nazaret, Heiske, Thurley, & Mazat, 2008, p. 455).There are eight important steps involving in the process of Krebs cycle in metabolism namely

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    Kinetics of Enzyme catalysed reactions: Enzyme kinetics deals with the rate of enzyme catalyzed reactions. This provide information about several important aspects such as:- i)Specificity of enzyme ii)Mechanism of enzyme action iii)Parameters which characterize the physical properties of enzymes. In order to understand enzyme kinetics, it is important to understand Vmax and Michaelis-Menten constant. The rate of reaction catalyzed by an enzyme increases

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    Catalase Essay

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    Enzymes are proteins that have a catalytic action in living organisms. A catalyst is a chemical compound that increases the rate of reaction “…without increasing the amount of products involved and without themselves being altered during the reaction”. Therefore, as enzymes are not altered during the chemical reaction, they are reusable. However, enzymes do not increase the amount of final product, they only increase the rate of reaction. For a biochemical reaction to take place a substrate must

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