Enzyme

Decent Essays
Improved Essays
Superior Essays
Great Essays
Brilliant Essays
    Page 3 of 50 - About 500 Essays
  • Superior Essays

    Enzyme Lab Report

    • 1361 Words
    • 5 Pages

    Introduction Enzymes, which speed up a chemical reaction without being consumed or changing the products of the reaction, are very important because they control the cellular activity of all living organisms. Enzymes are also described as being “catalysts”. In biological systems, specific enzymes catalyze particular cellular reactions. Each enzyme has a unique 3-D shape, and this shape determines which reaction it catalyzes. However, in order for a chemical reaction to move forward, an energy…

    • 1361 Words
    • 5 Pages
    Superior Essays
  • Decent Essays

    Enzyme Lab Report

    • 266 Words
    • 2 Pages

    experiment, the effect of environmental conditions on enzyme functions was tested. The materials needed for the experiment was an amylase enzyme to lower the activation energy of the reactions, starch solutions of pH 3,4,5,6,7,and 8, these provided different concentrations to project various environmental conditions. In addition, Iodine solution, and a spectrophotometer were needed. Each cuvette contained a specific pH concentration. Then the enzyme extract was added to each pH concentration…

    • 266 Words
    • 2 Pages
    Decent Essays
  • Improved Essays

    Catalase Enzyme Lab

    • 1174 Words
    • 5 Pages

    Practical 3: Enzyme Activity (2.5) Research Question: How does the change of pH affect the rate of decomposition of hydrogen peroxide on the enzyme, catalase? Background Information: Enzymes are globular proteins, which are synthesised by cells in order to perform specific functions. These act as catalysts in chemical reactions and are considered a major factor in an organism as these reaction rates are required to be shortened in order to support life. Catalase is one of the most…

    • 1174 Words
    • 5 Pages
    Improved Essays
  • Improved Essays

    Introduction Phospholipase A. is an enzyme used by Leukocytes to destroy bacteria, by causing membrane permeability. In multiple purification steps, we must isolate the enzyme to be able to conclude it can be used for antibiotic use. Using homogenate, acid precipitation, ion exchange chromatography, and 2 from of gel filtration, the purification will be tested. I hypothesize these purification steps will isolate and purify the enzyme desired. Results Figure 1 shows Sephadex carboxymethyl ion…

    • 542 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    Enzyme Lab Report

    • 448 Words
    • 2 Pages

    Enzymes are macromolecules that act as a catalyst in order for chemical reactions to occur. Their function is highly dependent on what the structure of the enzyme because they have things called active sites that recognize specific substrates. A substrate is a molecule that fits into the active sites of enzymes so a reaction can occur. For example, sucrose (substrate) fits into sucrase (enzyme) where hydrolysis occurs consequently splitting sucrose into glucose and fructose. However, in our…

    • 448 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Enzyme-Substrate Complex

    • 763 Words
    • 4 Pages

    catalyzed by enzymes. Without enzymes, most reactions necessary for the maintenance of life would occur so slow that they would not occur at all under the regular temperature and pressure conditions (Cooper). Enzymes act as catalysts that accelerate the rates of reactions by lowering the energy of activation. In an enzymatic reaction, the substrate (which is the reactant that an enzyme acts on) binds to the active site (which is the region on the enzyme where the substrate binds to) of the…

    • 763 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    needed to start a chemical reaction, activation energy, comes from enzymes. Enzymes (almost always proteins) are organic catalysts that help speed up the rate of reactions and allow the reactants to get the most out of the energy available. They do this without changing the reaction. Without an enzyme, then many chemical reactions may not occur because the activation energy could be too high to be reached without the help of an enzyme. For example, table salt, or sucrose, could sit for years…

    • 761 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Enzymes: The Little Molecules That Bake Bread Krishna Patel Emily Buehler October 5, 2017 Scientific American Bio 181 September 28, 2012 Article Review 2 Science of Bread- Making Bread- making has…

    • 515 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    Enzyme Lab Report

    • 745 Words
    • 3 Pages

    functioning. Enzymes are catalysts that are used to speed up these reactions. If you take for example if a person was trying to get from Point A to Point B, there are two routes; one route where you have to go over a steep hill, which would take additional time or the other route is to go around the hill and get to Point B using less time. This example is an illustration of enzyme catalyst. They are what give reactions an alternative route. They allow reactions to occur faster however, enzyme…

    • 745 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    Anabolic Enzyme Essay

    • 1548 Words
    • 6 Pages

    i. Enzymes are macromolecules that increase chemical reactions without being consumed in the reaction. They do this by lowering the activation energy (the amount of energy that reactants need to absorb in order for a chemical reaction to take place). Every enzyme has a substrate with a unique shape and structure for it to bind to. Denaturation of proteins (when a protein unravels and becomes inactive), and change in the shape of the enzyme or substrate all influence the activity and…

    • 1548 Words
    • 6 Pages
    Improved Essays
  • Page 1 2 3 4 5 6 7 8 9 50