Catalase Lab Report

Improved Essays
Show More
What is a catalase? A catalase is an enzyme that destroys harmful substances inside your body, and is a form of protein. (Corsini, "What Is a Catalase?") What is an enzyme? Enzymes are substances that speed up chemical reactions. (Corsini, "What Is a Catalase?”) This experiment involved both of these two aspects. It was inferred before the experiment began that if the potato is placed in hydrogen peroxide at room temperature, then it will produce the most bubbling activity. The reason that the potatoes produced a bubbling activity is because hydrogen peroxide is an example of a catalase. Hydrogen peroxide is a chemical compound with the formula H2O2. It is made of 2H2O which is water, and Oz which is oxygen. (Corsini, "What Is a

Related Documents

  • Decent Essays

    Potato Catalase Reaction Lab Report
    • 257 Words
    • 2 Pages

    Potato Catalase Reaction Lab Report

    Aim: This is an investigation to establish the effect of different temperatures (from 0°C -100°C) on the production of oxygen gas in a potato catalase reaction, using hydrogen peroxide as a substrate. The oxygen gas produced will be measured using a gas pressure sensor. Introduction: Enzymes are proteins, known as biological catalysts that increase the rate of reaction in a biochemical reaction without being chemically altered.…

    • 257 Words
    • 2 Pages
    Decent Essays
    Read More
  • Improved Essays

    Peroxidase Lab Report
    • 450 Words
    • 2 Pages

    Peroxidase Lab Report

    The hypothesis was proven wrong by the timing and values of the graph. I believe this was caused by the enzyme having to break apart a heightened amount of substrates in the mixed test tubes. This caused the initial data to yield a quicker reaction (on the basest of browning in color) compared to the altered data. The independent variable of this experiment was time, while the dependent variable was the color as the reaction is completely dependent on the duration of time. There were numerous potentially sources of error during this experiment.…

    • 450 Words
    • 2 Pages
    Improved Essays
    Read More
  • Great Essays

    Peroxidase Lab Report
    • 1615 Words
    • 7 Pages

    Peroxidase Lab Report

    The effect that temperatures at 4°C, 23°C, 32°C, and 48°C , pH 3, 5, 7, and 9, the boiled extract, and hydroxylamine had on the peroxidase enzyme extracted from Brassica rapa. Emma O’Donoghue Fundamentals of Biology I Lab Professor William Olsen October 8, 2015 Abstract The purpose of this lab was to determine the effects that a number of factors had on enzyme activity. The enzyme used during this lab was peroxidase, which was extracted from the organism Brassica rapa.…

    • 1615 Words
    • 7 Pages
    Great Essays
    Read More
  • Improved Essays

    Tyrosinase Lab Report
    • 369 Words
    • 2 Pages

    Tyrosinase Lab Report

    A chemical reaction’s rate is described by the amount of product formed. Substances that increase that rate are called catalysts. Catalysts are often proteins called enzymes. Enzymes change the pathway of the reaction between the products and the product. However, enzymes don’t alter the starting or ending points.…

    • 369 Words
    • 2 Pages
    Improved Essays
    Read More
  • Improved Essays

    Catalase Experiment
    • 881 Words
    • 4 Pages

    Catalase Experiment

    The effect of altering temperature on the rate of liver enzyme activity is measured in this experiment to be able to visualize how temperature in the environment and in the body can manipulate the rate of enzyme activity. Enzymes are protein catalysts that lower the amount of activation energy required to start a biochemical reaction. According to Dr. Meyertholen (2015), enzymes are structured to work with certain substrates, meaning that the structure determines the function of the enzyme. If the enzymes shape is altered, they become denatured. Denaturation of an enzyme can occur with changes in factors such as temperature, pH, or salinity.…

    • 881 Words
    • 4 Pages
    Improved Essays
    Read More
  • Improved Essays

    Liver Lab
    • 544 Words
    • 3 Pages

    Liver Lab

    "Catalase." RCSB PDB-101. N.p., n.d. Web. 09 Oct. 2015.…

    • 544 Words
    • 3 Pages
    Improved Essays
    Read More
  • Superior Essays

    Catechol Oxidase Lab Report
    • 940 Words
    • 4 Pages

    Catechol Oxidase Lab Report

    The Effects of Competitive Inhibitors on Catechol Oxidase Enzyme Activity. Jaley Willingham, 2015, Functional Biology, Texas State University, San Marcos, 78666. Abstract Competitive inhibitors may have an effect on enzyme activity.…

    • 940 Words
    • 4 Pages
    Superior Essays
    Read More
  • Improved Essays

    Ap Biology Catalase Test
    • 474 Words
    • 2 Pages

    Ap Biology Catalase Test

    The second test tube 11 was identified as a gram negative bacteria. The biochemical tests that I performed that were positive were catalase, glucose, SIM, indole, citrate, and urea. First, the catalase test has the presence of an enzyme in the test isolated detected using hydrogen peroxide. Bacteria possess catalase with a small number of bacteria; isolation is added to hydrogen peroxide when bubbles occur. When the bubbles occurred on gram positive bacterium it was a conformation of being positive.…

    • 474 Words
    • 2 Pages
    Improved Essays
    Read More
  • Great Essays

    The Effect Of Chemistry: Lab Analysis Of Yeast Catalase
    • 1980 Words
    • 8 Pages

    The Effect Of Chemistry: Lab Analysis Of Yeast Catalase

    In this part of the lab, we pour 20 mL of Hydrogen Peroxide and 1 mL of yeast catalase in the reaction chamber and then submerge it in the water bath. After it was done, it can be concluded that the gas levels increased because when we first started timing it, the gas levels were at 76, but as time went by, the gas levels started to increase and in the end of the last interval, the gas level increased all the way up to 100. This result occurred because there were many active sites that were empty for the substrate to bind to and since they binded to the active sites, it started increasing a lot at the beginning. However, when the active sites started getting more occupied, the substrate could not bind to as much active sites, so the gas levels started to increase alittle less as time went on and in the end, there was no active sites that were…

    • 1980 Words
    • 8 Pages
    Great Essays
    Read More
  • Decent Essays

    Effect Of Ph On Catalase
    • 156 Words
    • 1 Pages

    Effect Of Ph On Catalase

    The problem I was trying to solve was, “How different levels of pH effect Catalase?”. We thought that catalase would function best at a level of 7 pH because this is neutral level of pH. If we test amount of oxygen released over 10 minutes by catalase at the pH levels of 5, 7, and 9, then the catalase should function best at the pH level of 7 because 7 is the neutral pH level, which means that it will donate the least protons and electrons to the catalase. The more acidic the catalase is, the more protons it gets, and these protons denature the catalase. The more basic the catalase is, the more electrons will be donated to the catalase, which would also cause the catalase to be denatured. I also thought that pH 7 would work best because according…

    • 156 Words
    • 1 Pages
    Decent Essays
    Read More
  • Decent Essays

    Peroxidase Lab Report
    • 204 Words
    • 1 Pages

    Peroxidase Lab Report

    In this experiment the effects of the peroxidase enzyme will be observed. Peroxidase is an enzyme that is largely contained in turnips, horseradish roots, and potatoes. This enzyme rids cells of peroxide forming water and oxygen. Peroxidase also aids in the oxidation of guaiacol into tetraguaiacol. The peroxidase (turnip extract) and substrate guaiacol will be mixed and the reaction rates will be monitored under the different conditions.…

    • 204 Words
    • 1 Pages
    Decent Essays
    Read More
  • Improved Essays

    Biological Chemical Reactions Are Catalyzed By Enzymes
    • 545 Words
    • 3 Pages

    Biological Chemical Reactions Are Catalyzed By Enzymes

    Enzyme Post- lab assignment The purpose of this lab is to see the enzyme activity. We have known that biological chemical reactions are catalyzed by enzymes, so in the experiment 4.1 we tested the properties of catalase, and its presence in potato and sheep blood. The result was we could see the oxygen gas- bubbling by catalase’s presence. Not only that, enzymes are known as reusable, but they are not altered by their reaction with any substrate.…

    • 545 Words
    • 3 Pages
    Improved Essays
    Read More
  • Improved Essays

    Catechol Enzyme Lab Report
    • 753 Words
    • 4 Pages

    Catechol Enzyme Lab Report

    Discussion In this study, the Catechol enzyme was studied under the conditions of varying pH, temperature, substrate concentration, and enzyme concentration. In Figure 1, the data suggested that the trend was neither directly nor inversely proportional, but the highest activity rate was at 24°C. Most enzymes denatured at higher temperatures of approximately 40°C, which led to the inability to see any color change (Helms et al., 1998). At lower temperatures, the enzyme was somewhat efficient because molecules move slower at lower temperatures, so enzymes lost productivity.…

    • 753 Words
    • 4 Pages
    Improved Essays
    Read More
  • Improved Essays

    Catechol Oxidase Lab Report
    • 1142 Words
    • 5 Pages

    Catechol Oxidase Lab Report

    Introduction: Enzymes have a huge effect on the human body and other organisms. Enzymes are catalysts that are used to accelerate the reaction process by lowering the activation energy. For this experiment the catechol oxidase was extracted from potatoes. The enzyme is called catechol oxidase because the oxygen is reacting to catechol. Catechol oxidase causes the browning of the fruits and vegetables because the compound is toxic to the bacteria.…

    • 1142 Words
    • 5 Pages
    Improved Essays
    Read More
  • Improved Essays

    Essay On Effect Of Temperature On Enzyme Activity
    • 805 Words
    • 4 Pages

    Essay On Effect Of Temperature On Enzyme Activity

    Abstract The purpose of this investigation is to determine whether the temperature can affect the reaction rate of enzyme activity. The enzyme activity was measured by five different temperatures, separated in tubes which later got measured by their height of foam after 10 minutes. Freshly-prepared potato juice was used as the enzyme for catalase. Since temperature is measured by the kinetic energy of molecules, the higher the temperature, the more movement of molecules.…

    • 805 Words
    • 4 Pages
    Improved Essays
    Read More

Related Topics

Ready To Get Started?
Discover
Company
Follow
©2024 Cram.com
Privacy Policy |  About Ads |  Site Map |  Advertise  | 
  • Cookie Settings