Enzyme Inhibition Many drugs exert their action by inhibition of an enzyme activity in the body. If the activity of an enzyme is vital to the cell or organism‚ then inhibition may lead to death of the cell or organism. It is now possible to design new drugs which are enzyme inhibitors once a target enzyme has been identified. Types of Inhibitors A) Reversible Inhibitors: The effect of the inhibitor is instantaneous‚ and it can be removed from the enzyme by dialysis so that the enzyme activity
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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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Enzyme activity The introduction is a statement of the subject and objectives of the experiment and presents your hypothesis. Relevant background information (appropriately referenced) is given in sufficient detail that a person unfamiliar with the topic can understand the nature of the experiment. A good introduction is clear and concise. Carbohydrates and proteins should be explained in terms of their structure and major functions in cells. Your intro should end with a brief overview of the amylase
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Explain the technique by which copper can be purified. What is a use of pure copper? 19) Explain the processes of phytomining and bioleaching. 20) Why is recycling beneficial to the environment? 21) What % of iron comes from the blast furnace? What effect does this have on its properties? 22) Give some properties of low-carbon‚ high-carbon and stainless steels. 23) Why might an alloy of aluminium be preferable to the pure metal in aeroplane manufacture? 24) What name is given to the metals in
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Experiment 4: Enzyme Kinetics. Results/Discussion Week 1 Part A: Table 1. Enzyme activity for each assay of 4-nitroaniline formation. Rate of 4-nitroaniline formation Name of trial Abs/sec Abs/min M/min mol/min µmol/min #1 0.00003 0.0018 2.05x10-7 2.15 x10-10 2.15 x10-4 # 2 0.00010 0.0060 6.81x10-7 7.15x10-10 7.15x10-4 # 3 0.00020 0.0120 1.36x10-6 1.43x10-9 1.43x10-3 # 4 0.00030 0.0180 2.00x10-6 2.10x10-9 2.10x10-3
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scale Enzyme applications 1. Detergents Bacterial proteinases are still the most important detergent enzymes. Lipases decompose fats into more water-soluble compounds. Amylases are used in detergents to remove starch based stains. 2. Starch hydrolysis and fructose production The use of starch degrading enzymes was the first large scale application of microbial enzymes in food industry. Mainly two enzymes carry out conversion of starch to glucose: alpha-amylase and fungal enzymes. Fructose
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The Effect of Temperature on the Enzyme Catalase Stephen Francis Biology 183 Abstract This experiment was performed to determine the resultant effect of temperature change on the reaction between the enzyme catalase and hydrogen peroxide. This experiment was performed by measuring and comparing the amount of oxygen bubbles produced and the absorbance of the catalase and hydrogen peroxide solution over time at room temperature‚ 2°C‚ 50°C‚ and 60°C. The overall result of this experiment proved
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Q1: To study the effect of camouflage on a predator-prey relationship [F4-Chapter 8] Q2: To study the relationship between the concentration of CO2 and the rate of photosynthesis [F4-Chapter 6] 2004 Q1; To determine the % of vitamin C in fruit juices using DCPIP solution [F4-Chapter 6] Q2: To estimate the size of the bird population [F4-Chapter 8] 2005 Q1: To determine and compare the energy content in white bread and peanuts [F4-Chapter 6] Q2: To determine the concentration of the solution
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Enzyme Activity Lab Hypothesis: 1] Are enzymes reusable? Yes‚ enzymes are reusable. 2] Which of the following do you think contain catalase? [Manganese dioxide‚ chicken meat‚ apple‚ carrot‚ potato‚ or chicken liver] I think that the manganese dioxide‚ apple‚ and carrot contain the catalase. 3] Would grinding the materials affect enzyme activity? I think that grinding the materials will increase enzyme activity. 4] Would temperature affect enzyme activity? I think that
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these reactions‚ resource‚ products and enzyme are three most mainly things. In all chemical reactions‚ there is a activation energy(EA) needed for them. However‚ if the rate of reactions are too low‚ they will not be able to sustain lives. In this case‚ they have enzyme as a protein catalyst. As reaction catalysts‚ enzymes are proteins that adjust the process by initiating the reaction. In this case‚ there are also many elements that influence enzyme working rates. For example‚ most living things hold
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