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Free research essays on topics related to: enzyme

73 results found, view free essays on page:

  • Test Tube Degrees Celsius
    1,267 words
    Enzyme Action: Testing Catalase Activity Enzymes are proteins that serve as catalysts and accelerate chemical reactions in living organisms. Enzymes accomplish this by lowering the energy of activation of the organism it is acting upon, however enzymes will only lower the energy of activation for specific organisms, reducing chaotic chemical reactions. The reaction is carried out in its entirety in the active site of the enzyme. The substrate (organism acted upon), binds itself into the active s...
    Free research essays on topics related to: ph levels, degrees celsius, chemical reactions, test tube, optimum temperature
  • H 2 O Rate Of Reaction
    1,374 words
    Title: The Effects of Substrate Concentration and Temperature on the Rate of Hydrolysis of the Enzyme Trypsin. Abstract: Quantitative measurements can relate both temperature and substrate concentration to the enzymatic activity of trypsin. By analyzing the data, it is suggested that at BAPNA concentrations below those corresponding to Vmax are rate limiting, as less active sights are available for adhesion. The values of Vmax and Km relate a temperate catalytic efficiency of trypsin. The temper...
    Free research essays on topics related to: degrees celsius, rate of reaction, h 2 o, 1 ml, peptide bonds
  • Three And Four Reaction Rate
    859 words
    Title: Examining Some Properties of the Enzyme -amylase In this experiment a deeper meaning in the catalysts of reactions is studied. Catalysts accelerate chemical reactions without permanently changing the reaction. Enzymes, catalysts in biochemical reactions, are globular proteins which lower the activation energy needed to begin a reaction and therefore increase the rate at which efficient reactions can occur. Proteins (henceforth enzymes) are complex molecules made of amino acids in polypept...
    Free research essays on topics related to: concentration, enzyme, three and four, reaction rate, high temperatures
  • Rate Of Reaction Hydrogen Bonding
    2,165 words
    RESEARCH I know that Rennin is an enzyme, so before conducting this experiment I am first going to do some research into enzymes and their effects. 1. Enzymes Enzymes are large globular molecules of which the vast majority are protein in nature, though some, known as 'ribozyme's' are made of RNA. Enzymes have catalytic properties; in other words, they alter the rate of reaction without themselves undergoing a permanent change. Most chemical reactions require an initial input of energy, called ac...
    Free research essays on topics related to: hydrogen bonding, hydrochloric acid, graph shows, rate of reaction, kinetic theory
  • Rate Of Reaction Time It Takes
    2,287 words
    ... on to use ice and water baths, heated or cooled to different temperatures to achieve the correct temperature in the enzyme and substrate. 16. Plan for pH I am going to use the three categories of acid, neutral and alkaline to test how pH affects the rate of the enzyme rennin. Whilst studying the affects of varying the pH, I am going to ensure that all other variables are constant. Therefore, I will continue to use 2 ml of milk and 4 drops of rennin. The temperature I shall conduct these expe...
    Free research essays on topics related to: time it takes, sodium hydroxide, rate of reaction, optimum temperature, hydrochloric acid
  • Rate Of Reaction Reaction Rate
    1,069 words
    The purpose of this experiment is to measure the rates of reaction of the enzyme Alkaline Phosphatase with the substrate p-nitro phenol phosphate under varying conditions. The concentration of both substrate and enzyme were diluted and the inhibitor vanadate was utilized to determine whether or not the reaction is substrate or enzyme dependent and to see what type of inhibition vanadate was involved. A class of proteins called enzymes catalyzes almost every chemical reaction in a cell. Enzymes i...
    Free research essays on topics related to: active site, rate of reaction, reaction rate, lab manual, enzyme
  • Gel Electrophoresis Carbon Dioxide
    2,361 words
    Pyruvate Decarboxylase There are two functions of the pyruvate decarboxylase. Pyruvate and hydroxythyl converge together while carbon dioxide molecules are eliminated. Than, hydroxy ethyl group transfers and attaches to TPP to the lipo amide from the E 2 component of the complex. The final transfer brings the molecule back to its original form. (Function) The molecular weight of the enzyme was found to be 240, 000 by polyacrylamide gel electrophoresis (Oba). There are 548 amino acids and very si...
    Free research essays on topics related to: gel electrophoresis, lactic acid, carbon dioxide, acid, enzyme
  • Rate Of Reaction Bunsen Burner
    2,301 words
    For this investigation I am going to investigate the effect of the concentration of an enzyme, in this case Amylase, on the time taken for the enzyme to fully breakdown the substrate, which in this case is starch. The reason why these two enzymes have to be used is because each enzyme is designed specifically to break down only one substrate as each enzyme is made of a protein that causes it to be a specific shape, in this case the enzyme Amylase can only break down starch to dextrin. I am going...
    Free research essays on topics related to: test tube, bunsen burner, rate of reaction, ph level, water bath
  • Degrees Celsius Test Tubes
    1,993 words
    Effects of Temperature, pH, and Gelatin on Bromelain Introduction Bromelain is an organic catalyst that speeds up the rate of chemical reactions. Bromelain is used in this experiment to catalyze the break down of proteins and is called a proteolytic enzyme. Enzymes enable reactions to occur at a lower temperature and energy levels. This allows many reactions to occur inside living organisms that would otherwise have been impossible to take place. This enzyme is found in fruits, leaves, and stems...
    Free research essays on topics related to: degrees celsius, ph levels, five minutes, reaction rate, test tubes
  • Hydrogen Peroxide Graduated Cylinder
    1,654 words
    Situations That Govern the Pace of an Enzymatic Reaction: Enzyme Concentration, Temperature, and phone Saunders BSC 1010 C; T, R: 11: 50 - 12: 05 Lab: T: 12: 15 - 3: 05 INTRODUCTION: An enzyme is any one of many specialized organic substances, composed of polymers of amino acids that act as catalysts to regulate the speed of the many chemical reactions involved in the metabolism of living organisms. The word enzyme comes from the Greek phrase? en yeast? . Many scientists who studied enzymes in t...
    Free research essays on topics related to: ph levels, chemical reactions, hydrogen peroxide, graduated cylinder, test tubes
  • Fifteen Minutes Reaction Time
    686 words
    Abstract: The Enzyme Report Enzyme Activity Abstract: The purpose of this experiment is to test the effects of different sugar types with pH and temperatures. We are testing to see if there is a difference in reaction and reaction time when placed into different temperature and pH. We are looking for changes in color, solidity, reaction time, etc. My hypothesis is that at different temperatures and amounts of pH, there will we different reactions. Introduction: The overview of these experiments ...
    Free research essays on topics related to: enzymes, fifteen minutes, enzyme, reaction time, 2 ml
  • Rate Of Reaction Amino Acids
    1,401 words
    Enzymes? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? The majority of the reactions that occur in living organisms are enzyme-controlled. Without them, the rate of the reactions would be so slow as to cause serious, if not fatal, damage. Without enzymes toxins would soon build up and the supply of respiratory substrate would decrease. ? Enzymes are proteins and thus have a specific shape. They are therefore specific in the reactions that they catalyst? one enzyme will react with molecules...
    Free research essays on topics related to: amino acids, activation energy, optimum temperature, rate of reaction, active site
  • Lab Manual E Coli
    1,139 words
    Gene Regulation Using the Lac Operon Abstract Gene regulation in cells has been studied extensively in both eukaryotic and prokaryotic organisms. Gene control is employed as a way of saving the cell energy by only producing those enzymes it needs. In eukaryotes, genes are regulated so as maintain levels of cell specificity. In this experiment, the restriction of the production of the -galactosidase enzyme in the prokaryote Escherichia coli can be achieved by employing the lac operon. This operon...
    Free research essays on topics related to: gene, e coli, lactose, enzyme, lab manual

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