"Turnip Peroxidase Enzyme" Essays and Research Papers

  • Turnip Peroxidase Enzyme

    environmental factors of enzymes were tested in lab. The changing of pH, substrate concentrations, temperature, and an inhibitor (NaCl) and the effects it hade on the enzyme turnip peroxidase. Enzymes are biological catalysts which increase reaction rates by lowering the activation energies of substrates. A substrate is a reactant that interacts with the enzyme. The enzyme and substrate can be viewed as the recently discovered "induced fit model", which suggests enzymes are flexible and dynamic things...

    Buffer solution, Catalysis, Chemical kinetics 2008  Words | 6  Pages

  • Affects of Ph on Peroxidase Enzyme

    The Affects of pH on Peroxidase Enzyme Claire Bell Biology 1130 Jazmen Myers Section 36 Abstract Peroxidase is a turnip enzyme; it is used in the oxidation of hydrogen peroxide to lower activation energy, speeding up the reaction. The activity of peroxidase is highly dependent on its environment and most importantly the pH level. Peroxidase has been the focus of many recent studies and is believed to possibly reduce swelling among other things. We conducted...

    Acid, Buffer solution, Chemical reaction 1598  Words | 5  Pages

  • Finding the Optimal pH of the Enzyme Peroxidase with the Aid of a Spectrophotometer

    the Optimal pH of the Enzyme Peroxidase with the Aid of a Spectrophotometer ABSTRACT The peroxidase enzyme was partially purified, and the enzyme activity was calculated with the use of a spectrophotometer, demonstrating the effect of pH on peroxidase activity. The objective of this exercise was to determine the ideal pH for peroxidase activity. The data concluded that the optimum pH for peroxidase activity is 5, and the “standardized” enzyme volume is 2.8mL. ...

    Acid dissociation constant, Buffer solution, Chemical equilibrium 723  Words | 6  Pages

  • Determining the Properties of an Enzyme - Establish the Most Optimal Environment for a Peroxidase Enzyme

    Description: A peroxidase enzyme, which was extracted from a brassica compestris (turnip), is tested under various conditions in temperature, pH level, and competitive inhibitor (hydroxylamine). ABSTRACT: In order to determine the properties of an enzyme, a peroxidase enzyme was extracted from a brassica compestris (turnip) and tested under various temperatures, pH levels, and by a competitive inhibitor (hydroxylamine). The enzyme activity was measured in various ways depending on the activity...

    Catalysis, Chemical reaction, Enzyme 769  Words | 4  Pages

  • Horseradish Peroxidase

    boiling and concentration on Horseradish Peroxidase ABSTRACT The purpose of this report is to find out the effect of change in the Temperature, PH, boiling, concentration in peroxidase activity. Peroxidase is an enzyme that converts toxic hydrogen peroxide (H2O2) into water and another harmless compound. In this experiment we use, turnips and horseradish roots which are rich in the peroxidase to study the activity of this enzyme. The activity of peroxidase with change in temperature was highest...

    Acid, Activation energy, Catalysis 1937  Words | 6  Pages

  • A Guaiacol Dye-Coupled Reaction Reports That Catalytic Activity of Peroxidase Isolated from Fresh Turnip (Brassica Rapa) Increases as Temperature Rises.

    Enzymes are proteins which serve to reduce the activation energy required for biological reactions (Russell and others 2010). This allows biologically important chemical reactions to occur rapidly enough to allow cells to carry out their life processes (Russell and others 2010). Enzymes are made of one or more polypeptide strands, which individually or as an associated complex take on a three-dimensional shape. When properly associated, these shapes form the active site and other supporting structures...

    Catalase, Catalysis, Chemical reaction 1387  Words | 4  Pages

  • Peroxidase Lab Report

    the Catalytic Properties of the Enzyme Peroxidase Extracted from a Turnip Under the Conditions of Temperature, pH, Boiling and Competitive Inhibitors By Robin Caserta BIO 101 September 30, 2013 ABSTRACT The enzyme, peroxidase, extracted from a turnip was tested for its efficiency in binding to its substrate and its stability under several conditions. To do this, we tested effects on peroxidase activity, first, with different amounts of the enzyme, next at temperatures of 4oC, Room...

    Catalysis, Chemical reaction, Enzyme 1858  Words | 6  Pages

  • Peroxidase

    certain temperature, the enzymes will become denatured and then the rate will decrease. Each enzyme functions at an optimum pH. Well according to the graph, you see that the enzyme did not function at all when boiled which can be explained by the fact that it got denatured. Denaturing means the secondary and tertiary structure of the enzyme does get disrupted so bonds would definitely be broken. What seemed to be the optimum temperature and pH for the enzyme? In other words, at what temperature...

    Boiling point, Celsius, Enzyme 1456  Words | 5  Pages

  • Temperature's Effect Against the Irreversible Denaturation of Peroxidase

    Abstract: Enzyme-catalyzed hydrolysis reaction occurs when an enzyme cleaves glycosidic linkage where a substrate binds to active site forming an enzyme-substrate complex. By adding water to the enzyme-substrate complex, products are release. One of the main factor that effect enzyme-catalyzed reactions is temperature. After an enzyme reaches an optimal temperature, the enzyme will result in irreversible denaturation. The irreversible denaturation causes the protein to loose its function making...

    Catalase, Enzyme, Gas 1541  Words | 5  Pages

  • Enzymes

    Experiment 10 Enzymes Purpose: The purpose of this lab is to observe through experimental procedure on how enzymes affect chemical reactions. Introduction: An enzyme is a protein that serves as a biological catalyst. A catalyst is any substance that increases the rate of a chemical reaction, (done by lowering the activation energy of the reaction). In this experiment we are using Hydrogen peroxide (the substrate for this experiment). Peroxidase is a soluble enzyme normally found in the cytoplasm...

    Catalysis, Chemical kinetics, Chemical reaction 865  Words | 3  Pages

  • Peroxidase Enzyme Biology Lab Report (Half Way Finished)

    How Enzymes Work In Different Environments By Sarah Smith Biology1111 October 20, 2011 Lab Partner: Nellie Greer ABSTRACT Peroxidase is an enzyme found in potatoes that catalyzes the breakdown of hydrogen peroxide, H2O2, into O2 gas and water. We examined the different pH environments that can affect the enzyme activity during the breakdown of H2O2. In order to do this, we added different levels of pH, low, medium, and high, into different test tubes with the enzyme and H2O2,...

    Activation energy, Catalysis, Chemical equilibrium 621  Words | 3  Pages

  • Peroxidase

    Publication No. 11137 Enzyme Activity Guided Inquiry Lab Turnip Peroxidase Introduction Peroxidase enzymes are widely distributed in plants and animals, including bacteria, to protect cells against the effects of oxidative stress and cell damage due to hydrogen peroxide. Peroxidases are easily extracted from turnips and other root vegetables and provide a model enzyme for studying enzyme activity—how the rate of an enzyme-catalyzed reaction depends on biotic and abiotic factors. Enzyme activity studies...

    Buffer solution, Catalase, Catalysis 1567  Words | 15  Pages

  • Factors affecting the rate of Enzyme activity

    Factors Affecting the Rate of Enzyme Activity The Purpose of doing this experiment is “how factors affect on the rate of enzyme activity.” “We examine the affects of enzyme activity when exposing enzymes to different substrates, PH and temperature. In this experiment a type of enzyme called Peroxides has been used. Peroxidase is the enzymes are found in living organism so, it can be founded in both liver and potato. For measuring the rate of enzyme activity in each experiment the...

    Catalase, Enzyme, Glucose 1642  Words | 5  Pages

  • Enzymes

    Enzymes Enzymes are special proteins that are found in the cells of living organisms. Enzymes are made up of long chains of amino acids held together by peptide bonds. Enzymes play an important role in performing or controlling a host of chemical reactions that take place in the body. There are various types of enzymes and usually a specific enzyme is responsible for a particular chemical reaction only. While most of them are associated with metabolic processes like digestion and breathing, there...

    Catalysis, Cell, Chemical reaction 831  Words | 3  Pages

  • Enzymes

    Topic: Enzymes and their Industrial importance Table of contents Definition of enzyme……….……………………..3 Composition of enzymes…………………………..3 Characteristics of enzymes………………………..3 Functions……..……………………………………..3 Discovery………..…………………………………...5 Explanation…………………………………………..6 Types of enzymes...............................................…...6 Working………………………………………………6 Sources of enzymes………………………………….7 Industrially important enzymes……………….…10 Some other uses……………………………………...

    Archaea, Catalysis, Enzyme 1431  Words | 7  Pages

  • Enzymes

    May 1, 2013 Enzymes as Drug Targets Enzymes are defined as any of numerous proteins produced in living cells that accelerate or catalyze the metabolic processes of an organism. Enzymes are usually very selective in the molecules that they act upon, called substrates, often reacting with only a single substrate. The substrate binds to the enzyme at a location called the active site just before the reaction catalyzed by the enzyme takes place. Enzymes can speed up chemical reactions by up to...

    Adenosine triphosphate, Catalysis, Chemical reaction 962  Words | 3  Pages

  • Enzymes

    amylase and starch. Introduction The enzyme amylase is found in the human body, it catalyses the hydrolosis of internal glycosidic bonds in polysaccharides, the breakdown of starch into sugars. Amylase is present in human saliva, where it initiates the chemical process of digestion. Enzymes work best at an optimum pH of 7 which is the bodies normal pH. The pH affects the charge of the amino acid at the active site. PH changes affect the structure of an enzyme molecule and therefore affect its ability...

    Amylase, Enzyme, Glucose 1015  Words | 4  Pages

  • Preparation and Assay of Phenolase and Peroxidase

    Phenolase and Peroxidase from Sweet and Irish Potato Aim To design and conduct an experiment to demonstrate the presence of enzyme activity in the preparation provided. To examine the effect of the inhibitors provided. To test whether the other phenolic substrates provided can be oxidized by the enzyme preparation. To test for the presence of peroxidase activity in the enzyme preparation. To test the effect of the inhibitor provided on peroxidase activity alk about enzymes..their structure-...

    Amino acid, Brown, Catalysis 3104  Words | 7  Pages

  • enzyme

    Enzyme Lab Name ___________________________ Assignment 1: Getting to Know Enzyme Lab: Setting Up an Experiment The first screen that appears in Enzyme Lab shows you a biochemistry lab containing all the reagents and equipment you will need to perform your experiments. Click on each item in the lab to learn more about its purpose. Once you are familiar with the lab, click on the Experiment button to begin the first assignment. This assignment is designed to help you become...

    Buffer solution, Competitive inhibition, Enzyme 2347  Words | 6  Pages

  • Enzymes

    CHAPTER 4: ENZYMES Enzymes are biological catalysts. There are about 40,000 different enzymes in human cells, each controlling a different chemical reaction. They increase the rate of reactions by a factor of between 106 to 1012 times, allowing the chemical reactions that make life possible to take place at normal temperatures. They were discovered in fermenting yeast in 1900 by Buchner, and the name enzyme means "in yeast". As well as catalysing all the metabolic reactions of cells (such as respiration...

    Activation energy, Catalysis, Chemical reaction 1858  Words | 7  Pages

  • Enzymes

    Explain the structure of enzymes and discuss their metabolic reactions. Explain the structure of enzymes and discuss their metabolic reactions. Enzyme, a protein that catalyses a specific reaction. ‘Living cells contain thousands of different enzymes’ (Elliott, p.214), each of which catalyses (that is, accelerates without itself being changed) just one kind of reaction. In some of these reactions, small organic molecules such as amino acids, sugars, nucleotides, and lipids are broken down to...

    Amino acid, Beta sheet, Enzyme 1681  Words | 6  Pages

  • ENZYMES

    it's lowest to do so. However, in cold solutions the starch will take longer as it will in temperatures beyond 40 degrees. Once it reaches this point, the break down will either take a very long period of time or have no reaction at all as enzymes are denatured at a certain point. Materials: · 4 x test tubes · 5mL Diastase · 5mL Water · 10mL 2% Starch Suspension. · Pipette · 2 x Spotting tiles · Large Beaker filled with water of assigned temperature · Thermometer...

    Amylase, Chemical reaction, Enzyme 1134  Words | 6  Pages

  • Enzyme

    Examination of the Effects of Inhibitory and Non-Inhibitory Competition, Enzyme-Substrate Concentration, Along with Varying Temperature and pH-Balanced Environments on the Enzyme-Catalyzed Reaction of pNPP Abstract: Introduction: Many of the chemical reactions, which take place in in living things are controlled by enzymes. In such cases, the enzyme is a protein in the cell which lowers the activation energy of a catalyzed reaction, which serves to increase the rate of the reaction. Alkaline...

    Alkaline phosphatase, Base, Chemical reaction 1876  Words | 6  Pages

  • Enzymes!!

    Enzyme Catalysis Lab Problem: Before the lab, one should understand: • The general functions and activities of enzymes; • The relationship between the structure and function of enzymes • The concept of initial reaction rates of enzymes; • How the concept of free energy relates to enzyme activity; • That change in temperature, pH, enzyme concentration, and substrate concentration can affect the initial reaction rates of enzyme-catalyzed reactions; and • Catalyst, catalysis, and catalase ...

    Catalase, Catalysis, Chemical reaction 755  Words | 3  Pages

  • enzymes

    LABORATORY REPORT Activity: Enzyme Activity Name: Angela Collins Instructor: Catherine Rice Date: 07.09.2014 Predictions Sucrase will have the greatest activity at pH 5 Sucrase will have the greatest activity at 70 °C (158 °F) Sucrase activity increases with increasing sucrose concentration Materials and Methods Effect of pH on Enzyme Activity Dependent Variable amount of product (glucose and fructose) produced Independent Variable pH Controlled Variables temperature, amount...

    Celsius, Enzyme, Fructose 1044  Words | 2  Pages

  • Enzymes

    Enzyme as protein Dr.Samina Haq Quantitative and qualitative test for protein and amino acids • 1. 2. 3. 4. 5. 6. Qualitative test Ninhydrin test Biuret test Xanthoproteic test Millons test Hopkins-cole test Nitroprusside test Quantitative test 1. 2. 3. Spectrophotometric assay Protein shows maximum absorbance at 280nm due to presence of tyrosine and tryptophane. Biuret test shows 540nm Lowry test shows 750nm Ninhydrin Test • Amino acid containing a free...

    Acid, Alcohol, Amine 535  Words | 6  Pages

  • Enzymes

    Biology “Enzyme Activities” Introduction: Enzymes have extremely interesting properties that make them little chemical-reaction machines. The purpose of an enzyme in a cell is to allow the cell to carry out chemical reactions very quickly. These reactions allow the cell to build things or take things apart as needed. This is how a cell grows and reproduces. At the most basic level, a cell is really a little bag full of chemical reactions that are made possible by enzymes (Brain). Laboratory...

    Better, Chemical equilibrium, Chemical reaction 572  Words | 4  Pages

  • Enzyme

    milk Introduction Enzymes are globular protein, responsible for most of the chemical activities of living organisms. They are made up of long chains of amino acids containing carbon, hydrogen, oxygen and nitrogen (Gunsch, 2012). The role of enzyme is to act as catalysts, substances that speed up chemical reactions without being chemically altered during the process. The speeding up of chemical reactions is done by lowering the activation energy required to start a reaction. Enzymes are specific in...

    Catalysis, Cheese, Chemical reaction 1845  Words | 7  Pages

  • Horseradish Peroxidase Write-Up

    Bio 205 Lab W/8:00 Enzyme II Write-Up Methods: My partner and I ran two experiments to measure the activity of the enzyme horseradish peroxidase under varied conditions. The first of which measured the effects of altered pH levels, while the goal of the second was to examine the effects of varied temperatures. To test the effects of pH on horseradish peroxidase, we began by zeroing a Spec 20 with 5.0mL of substrate (25mM guiacol) at pH 6.5. Once the Spec 20 was accurately zeroed, we added 100μL...

    Activity, Arithmetic mean, Deviation 1583  Words | 5  Pages

  • Enzyme Catalysis Lab Report

    Chemistry 512 Enzyme Catalysis Lab Report Pre-lab Questions: 1. Write a balanced chemical equation with state symbols for the reaction catalyzed by peroxidase. 2H2O2  2H2O + O2 (4H1 4O)  (4H + 2O + 2O) 2. What is the substrate(s) of this reaction? What is the catalyst? Substrate = H2O2 hydrogen peroxide Catalyst = peroxide 3. At what approximate temperature do enzymes normally operate in the body of a warm-blooded animal? Would your answer change if the enzyme came from a plant or yeast? Enzymes normally...

    Catalysis, Chemical kinetics, Chemical reaction 1002  Words | 5  Pages

  • Immobilized Enzyme Analysis

    Stability of Gel-Immobilized Peroxidase. Taylor Thompson taylor.thompson72895@gmail.com Department of Chemistry, University of North Florida, 1UNF Drive, Jacksonville, FL 32224 _____________________________________________________________________________________________​ Immobilizing an enzyme provides various analytical benefits, and can be done in a myriad of ways, with the most common being entrapment. For this study peroxidase (from horseradish), an enzyme that catalyzes the cleavage...

    Active site, Catalysis, Enzyme 1841  Words | 6  Pages

  • Preparation and Assay of Phenolase and Peroxidase from Sweet and Irish Potato

    Phenolase and Peroxidase from Sweet and Irish Potato Hypothesis: Polyphenol Oxidase enzyme activity can be detected by change in colour of solution, Inhibitors prevent the reaction of the enzymes with substrates, the enzyme is relatively specific. Aim: To design and conduct an experiment to demonstrate enzyme activity of Polyphenol Oxidase and Peroxidase when mixed with catechol, caffeic acid, pyrogallad, tyrosine, guacol, and water, to test the effect of inhibitors on these enzymes, to show the...

    Alcohol, Enzyme, Enzyme inhibitor 1683  Words | 6  Pages

  • Enzymes

    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...

    DNA, Hypothesis, Introduction 2119  Words | 6  Pages

  • Enzyme Lab Report

    Chemistry 512 – Jacobs Enzyme Catalyst Lab - Formal Report – August 8, 2007 ABSTRACT This investigation examined what would happen to the rate of an enzyme-catalyzed reaction if the concentration of substrate changed. We hypothesized that if the concentration increased, then the reaction rate would also increase. To test our question, we varied a combination of substrate and buffer, totaling 6mL, with a constant amount of 2 drops of catalyst. The enzyme catalyst, peroxidase, increased the rate...

    Activation energy, Catalysis, Chemical equilibrium 1107  Words | 4  Pages

  • enzyme immobilization

    Enzyme Immobilization Methods Covalent Binding: Covalent binding is a conventional method for immobilization; it can be achieved by direct attachment with the enzyme and the material through the covalent linkage [37]. The covalent linkage is strong and stable and the support material of enzymes includes polyacrylamide, porous glass, agarose and porous silica [38]. Covalent method of immobilization is mainly used when a reaction process does not require enzyme in the product, this is the criteria...

    Amino acid, Biosensor, Blood sugar 1315  Words | 3  Pages

  • Enzymes: Enzyme and Enzymes- Substrate Complex

    What is Enzyme? Enzymes are protein that acts as speed up reactions and break down molecules in our body. However, different enzymes only work on certain types of molecules. Enzymes can accelerate the reactions by more than one million times.(3) In our human body, there are a total about forty thousand types of enzymes and each catalyzes different kind of molecule.(3) The molecules that enzymes help to accelerate is called substrates, and when enzyme is combined together with the substrate, it...

    Adenosine triphosphate, Enzyme, Enzyme inhibitor 1115  Words | 3  Pages

  • Enzymes: Enzyme and Variable Groups

    structure of the enzyme is mainly dependent on the active site and variable groups. Extreme temperatures or extreme pHs can alter the structure of an enzyme. Enzymes function to lower the activation energy to break the bonds. They achieve this by putting stress and pressure on the bonds or creating a microenvironment for the substrate. Enzymes are regulated by inhibitors or activators and can be inhibited by the products of the reaction, called feedback inhibition. Enzymes are catalytic proteins;...

    Catalysis, Chemical reaction, Enzyme 1032  Words | 3  Pages

  • Bio Lab Essay K101

    The reactions and Results of Using Enzyme Turnip Root Peroxidase Lab results from: Andrew Compton, Mickey. Results published 9/29/2012. TA: In this series of laboratory experiments, my lab partner and I were to conduct an experiment about the oxidation rate of the enzyme peroxidase in the presence of its substrate guiacol. Also we used other substrates, such as hydroxylamine an enzyme inhibitor, to observe the weather the reaction rate was slowed down, sped up, or stopped reactions all together...

    Adenosine triphosphate, Carbon dioxide, Cellular respiration 1732  Words | 6  Pages

  • AP Investigation Lab #13 Enzyme Activity

     Background Information Part 1 In the first part of the enzyme lab, we mixed a substrate and an indicator with an enzyme. There was also a neutral buffer in each of the chemical mixtures. The neutral buffer regulated the pH to around 7. We got a color palette and once we mixed each together, we observed and saw a change in the color of the substance. The darker and more brown the substance got, the more oxygen produced by the reaction. Our results showed that amount of oxygen produced increased...

    Acid, Acid dissociation constant, Buffer solution 1927  Words | 8  Pages

  • HorseRadish peroxidase

    HORSERADISH PEROXIDASE Introduction: What it is, and used for A European plant much like cabbage or collard green, called Horseradish is used in Biology experiments today because of its ability to produce a metalloenzyme. Simply put it produces protein with a metal ion factor within it and often times used because of its ability to project color in different tissues and show their presence. Enzymes speed up chemical reactions but are not consumed or changed by the reactions taking place...

    Atom, Chemistry, Enzyme 698  Words | 2  Pages

  • Enzyme

    www.fibre2fashion.com Applications of Enzymes in Textile Wet Processing Source: New Cloth Market Enzymes can be applied in several steps of textile wet processing and in formulation of detergent powders. Since the major textile finishing process is coloration, classical finishing processes can be divided into preparation for coloration and after-coloration steps. Coloration might be done during fibre extrusion of synthetic fibres, on a bundle of fibres, on yarns, on fabrics or on garments. The...

    Amino acid, Catalysis, Cellulase 6110  Words | 17  Pages

  • Application of Enzymes

    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...

    Amino acid, Amylase, Catalase 966  Words | 4  Pages

  • Enzymatic reaction lab report

    INTRODUCTION Enzymes are proteins (macromolecules composed of long chains of amino acid) produced by living cells that catalyze (increase the rate of) chemical reactions. The molecule in an enzyme upon which the enzyme act is the substrate, which binds reversibly to the active site of the enzyme. The active site is the part of the enzyme where substrate binds. The result of this union (enzyme – substrate complex) is a redistribution of chemical energy...

    Acid, Acid dissociation constant, Buffer solution 806  Words | 6  Pages

  • The Catalase Enzyme

    Purpose: The purpose of the lab is to observe the breakdown of hydrogen peroxide by the liver enzyme catalase. Determine the factors, such as increased concentration, varying temperature, and changes in state, influence how quickly the reaction takes place, and how well the enzymes function. Hypothesis: For Varying Enzyme concentration, for groups A,B,C, and D, if there is an increase in enzyme concentration as a result of the increasing varied number of discs, then there will be an increased...

    Catalase, Chemical reaction, Enzyme 1061  Words | 4  Pages

  • Restriction Enzymes

    Discovery Restriction enzymes were discovered 40 years ago during investigations into the phenomenon of host-specific restriction and modification of bacterial viruses. Restriction enzymes protect bacteria from infections by viruses, and it is generally accepted that this is their role in nature. They function as microbial immune systems. When a strain of E. coli lacking a restriction enzyme is infected with a virus, most virus particles can initiate a successful infection. When the same strain...

    Bacteria, DNA, Enzyme 1252  Words | 4  Pages

  • Enzyme Lab

    Abstract Enzyme catalysis was observed in order to analyze how changes in temperature, pH, enzyme concentration, and substrate concentration affected an enzyme-catalyzed reaction. This experiment analyzed the rate of enzyme-catalyzed reactions and observed the correlation between catalase activity and products formed. It was found out that the rate of an enzyme-catalyzed reaction starts off rapidly, decreases, and levels off or completely stops, and can be further affected by environmental factors...

    Catalysis, Cell, Digestion 1135  Words | 4  Pages

  • Enzyme Inhibition

    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...

    Active site, Adenosine triphosphate, Catalysis 2117  Words | 7  Pages

  • The Effects of Ph and Salinity on Enzyme Function

    Enzyme Activators and Inhibitors Lucia House AP Biology, Block 4 Mr. Trice October 18, 2012 Introduction: Metabolism is the totality of all of an organism’s chemical reactions. Chemical reactions occur due to enzymes, a substance which acts as a catalyst in driving chemical reactions in order to produce a desired product (Campbell and Reece, 2002). A catalyst is usually a protein; however, some catalytic molecules counter this generalization. A discovery made in the early nineteen- nineties...

    Acid, Buffer solution, Catalysis 4461  Words | 15  Pages

  • Effects of Enzyme

    Effects of Temperature on Enzyme Biology Introduction In order to understand the activity of enzymes at different temperatures the ability of the enzyme to function can be measured. This is important in many applications such as Polymerase Chain Reaction for forensics as well as genetics research where manipulation of temperature-dependent enzymes allows for replication of DNA segments. Bennett states, “when the energy - measured...

    Absolute zero, Celsius, Chemical reaction 776  Words | 3  Pages

  • Lab Enzymes

    Introduction How does changing the surroundings of enzymes affect their reaction rate? The purpose of the experiment is to determine how different abiotic conditions affect the rate at which enzymes accelerate/cause reactions In this lab students measured the height of the foam after catalysis between catalase (enzyme) and 7 other (solutions) to determine which solution had the fastest reaction rate.. The control variable of the experiment would be the solution of only hydrogen peroxide, water...

    Acid, Catalase, Catalysis 1639  Words | 6  Pages

  • Introduction to Enzyme

    Enzymes Lecture outlines •Catalysis profile •Activation energy & its •Enzyme & substrate substrates •How enzymes bind to •Lock & Key model •Induced-fit model •Enzyme assay Lecture outcomes • At the end of this lecture, students are able to: • Define the catalyst • Understand how enzymes work as catalysts, the concept of activation energy and enzymes-substrate binding • Explain different theories of the relation between enzymes and substrates Catalysis • It is probably...

    Activation energy, Catalysis, Chemical kinetics 635  Words | 7  Pages

  • Enzyme Lab Report

    Effecting the Reaction Rate in Enzymes in Plants and Animals Problem- How do variables temperature and surface area affect the rate of reaction occurring in the enzyme? Information- Enzymes are proteins that act as biological catalysts. They speed up chemical reactions that take place in cells. Enzymes can be found in both liver and potato. They provide a site where reactants can be brought together to react. These reactants are called substrates that fin into the enzyme. The changing of heat,...

    Chemical reaction, Liver, Oxygen 2104  Words | 7  Pages

  • Immobilized Enzyme

    Immobilized Enzyme Immobilized Enzyme * Enzymes which are attached to small bead made of alginate are called immobilized enzyme * However, whatever the nature of an immobilized enzyme, it must comprise two essential functions, namely the non-catalytic functions (NCF) that are designed to aid separation and the catalytic functions (CF) that are designed to convert the target compounds within the time and space desired * Immobilized enzymes might meet the increasing demand by manufacturers...

    Enzyme, Enzymes, Fructose 716  Words | 4  Pages

  • Enzyme Amylase

    The Rate of Reaction that Enzyme Concentration, pH, and Temperatures Have on the Amylase Enzymes Color Disappearance Abstract: Compare reaction rates of the concentrations, pH’s, and temperatures of the enzyme Amylase. At what concentrates do the substrate molecules collide with each other, making the reaction possible? At what pH levels do the 3D molecular structures change breaking the H-bond and/or denaturize? At what temperatures do the collisions of the substrate molecules happen...

    Amylase, Chemical reaction, Dilution 699  Words | 3  Pages

  • Anatomy: Enzymes

    Enzymes are organic catalysts, usually proteins that speed up metabolic reactions. They lower the amount of energy needed for reactions to progress in cells. In enzymatic activity, the molecules at the beginning are called substrates. Lactose metabolism is when lactose is destroyed, maintained or produced. For instance, being lactose intolerance that’s where lactose is destroyed. Metal cofactors in enzyme activity are required to function properly. The Effect of Temperature on Enzymatic Activity: ...

    Catalysis, Enzyme, Glucose 862  Words | 3  Pages

  • Seamus Heaney- The turnip snedder

    The Turnip-snedder The poem “The Turnip-Snedder” by Seamus Heaney is about an archaic machine that was used in traditional farming, to cut the heads off turnips. The turnip-snedder is personified and portrayed in multiple ways. It is personified in a monstrous way but also in a very god like and powerful manner. The turnip snedder is also used to reflect the idea how some people refuse change even though it is inevitable. The poet’s attitude is nostalgic with a sinister undertone of violence and...

    Agriculture, Beowulf, Head 1762  Words | 4  Pages

  • pH and Enzymes

    pH Affects the Activity of Amylase Sara Van Natta Biology 107, section 2, TA: Alex 2/14/14 Abstract: The goal of this experiment was to determine how an enzymes’ pH can influence the speed of the reaction rate. The objective of this was to determine the optimum pH for a solution with an enzyme, amylase since every enzyme has an optimum pH- where it is most active. It was hypothesized that the reaction rate becomes faster as the solution comes closer to its’ optimum pH. There was five...

    Acid dissociation constant, Base, Buffer solution 1667  Words | 5  Pages

  • Enzyme Catalysis

    Enzyme kinetics (catalase/kmno4) Enzyme catalysis Farah Mohamed galal 22-3014 t09 Introduction: E + S → ES → E + P Enzymes are proteins which act as a catalyst in biochemical reactions(affect the rate of achemical reaction). The substrate binds to the active site of the enzyme. Any deformation of the active site will affect the activity of the enzyme, these are some ways that enzyme action may be affected because of them: 1- Salt concentration: If it is close to zero or very high...

    Catalase, Catalysis, Enzyme 1182  Words | 5  Pages

  • Experiment Enzyme

    Experiments to investigate the effect of enzyme concentration of the activity of the enzyme catalyse. This is an experiment to examine how the concentration of the substrate hydrogen peroxide affects the rate of reaction of the enzyme catalyses. Enzymes are biological catalysts - catalysts are substances that increase the rate of chemical reactions without being used up. Enzymes are also proteins that are folded into complex shapes that allow smaller molecules to fit into them. They are used to...

    Catalysis, Chemical equilibrium, Chemical reaction 1096  Words | 4  Pages

  • Enzyme Lab

    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...

    Acid, Catalase, Chemical reaction 938  Words | 4  Pages

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