Preview

Effect Of Environmental Factors On Enzymes

Good Essays
Open Document
Open Document
327 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Effect Of Environmental Factors On Enzymes
Enzymes are a major role in the process of accelerating chemical reactions. Environmental factors affect the enzymes, These environmental factors include ph levels and body temperature. While both of these environmental factors affect the enzyme, body temperature affects the enzymes the most and can result in death. Enzymes are affected by high body temperature. Enzymes are highly specific and they work at certain temperature levels depending if it’s hot or cold. However, when the enzymes exceed the optimal point, it starts to denature which breaks down the enzyme and is no longer useful. This is detrimental because, without the enzyme, the substrate won’t have any other enzyme to fit perfectly to one another. High

You May Also Find These Documents Helpful

  • Best Essays

    Enzymes are designed to operate best at specific PH levels and also specific temperatures. They also work best at higher temperatures, so as temperature increases, so does the rate of chemical reaction. This is because heat energy and more kinetic energy results in more collisions between the enzyme molecules and the substrate molecules, therefore the substrate is more likely to enter the enzymes active site. For human enzymes the optimum temperature for enzymes to work is usually close to body temperature, therefore the enzyme trypsin is likely to have an optimum temperature of around 40ºC. Below this temperature, the enzyme and substrate have less kinetic energy, are moving more slowly and therefore are less likely to collide. Because of this, it was expected that the rate of reaction would be less at temperatures lower than body temperature. Also if the temperature gets too high and exceeds 40°C the rate of reaction should begin to decrease.…

    • 1597 Words
    • 7 Pages
    Best Essays
  • Better Essays

    GRT1 Task 4

    • 964 Words
    • 4 Pages

    On the biochemical level, enzymes work at precise temperatures and pH levels. When the temperature goes up, enzyme activity speeds up. When temperatures decrease, enzyme activity slows down. If an enzyme is at too high of a temperature, it stops functioning. Stomach enzymes function in a more acidic environment (low pH) and intestinal enzymes work in a more alkaline environment (high pH).…

    • 964 Words
    • 4 Pages
    Better Essays
  • Good Essays

    Different sequence of amino acid produces different structure of protein, which determines the property of protein, thus each kind of enzymes has its unique active site, which only fits to complementary – shaped substrate to form product. Because of the feature of active site, each kind of enzymes therefore is specific for a particular reaction. However, there are several factors affect the rate of enzyme reactions, they are temperature, pH, concentration of enzyme, concentration of substrate and inhibitors. High temperature and pH affects the structure of enzyme, irreversible denaturation occurs, the shape of active site is changed, enzymes therefore no longer function. The effect of the other factors is slowing down the rate of enzyme reactions, it depends on the concentration of those factors. Since enzymes are catalyst of chemical reactions, they are responsible to the activities of cells, and they determine the function of tissues and organs as well.…

    • 625 Words
    • 3 Pages
    Good Essays
  • Better Essays

    Enzymes: Lab Report

    • 2612 Words
    • 11 Pages

    Enzymes are a key aspect in our everyday life and are a key to sustaining life. They are biological catalysts that help speed up the rate of reactions. They do this by lowering the activation energy of chemical reactions (Biology Department, 2011).…

    • 2612 Words
    • 11 Pages
    Better Essays
  • Satisfactory Essays

    Enzyme Lab

    • 431 Words
    • 2 Pages

    The rate of enzyme activity is highest when the temperature is the highest and lowest when the temperature is lowest. The temperature causes the enzymes to speed up and produce more product when heated and slows down when cooled. This is seen in the data gathered during the temperature part of the lab.…

    • 431 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    If the temperature rises above 37∙C, enzymes stop working and become denatured. This occurs as part of the enzyme called the active site is changed by a rise in temperature and so, certain molecules can no longer bind to the enzyme, and the reaction cannot take place.…

    • 468 Words
    • 2 Pages
    Good Essays
  • Good Essays

    When they are at higher temperatures enzymes denature, which means to stop working. Enzymes have a part called the active site, which is when certain molecules bind to the enzyme and a reaction happens. Homeostasis is maintained by the vital organs, enzymes, waste management functions, and food and water. It’s then converted into energy and used to fuel other parts of the body. Some situations will contain multiple substrate molecules that the enzyme will change. The enzyme grabs on to the substrate in the active site, this is called the substrate complex. Catalysis happens when the substrate is changed, it will break or build chemical bond and you will be left with a products complex. The enzyme releases the product and they go back to the original…

    • 589 Words
    • 3 Pages
    Good Essays
  • Better Essays

    Many enzymes are proteins that lower the activation energy needed to start chemical reactions that are crucial to the survival of life. Alike to other proteins enzymes undergo changes in shape based on the surrounding environment, and thus their productivity changes as well. Many factors affect the productivity of enzyme including temperature, concentration of enzyme in a reaction, and pH (Gundlach 441).…

    • 1388 Words
    • 6 Pages
    Better Essays
  • Good Essays

    The enzyme activity will increase due to an increase in velocity and kinetic energy in which the rate of collisions increases. If the change in temperature increase higher than body temperature the rate of the reaction will decrease since the heat will denature the enzyme. As the temperature decreases this will cause the reaction to slow down due to the lack of collisions (Somero, 1969). Like temperature enzymes are affected by changes in pH. The changes in pH can affect the shape of the enzyme due to the breaking of ionic bonds that are used to hold the three-dimensional structure of the enzyme in…

    • 472 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Enzyme Lab Report

    • 1060 Words
    • 5 Pages

    The increasing temperature increases molecular motion and may increase the number of times an enzyme contacts and combines with a substrate molecule. Temperature may also influence the shape of the enzyme molecule, making it fit better with the substrate.…

    • 1060 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Living organisms have thousands of chemical reactions going on inside them. Obviously the quicker the reaction the better it is and it's important that the temperature is at a correct level to speed them up. If the temperature is high enough, above 45°C they will be denatured because enzymes are living organisms and too much heat has an affect on them. Enzymes do all sorts of different processes.…

    • 2768 Words
    • 12 Pages
    Good Essays
  • Better Essays

    Introduction: Enzymes are catalysts, because they control the rate of the reaction that helps chemical reactions work properly within living organisms. They are specialised proteins that have a unique shape and chemical composition that creates an active site for connection between the enzyme and substrates. The substrate molecules bind to the active site, inducing a temporary change in the shape of the enzyme known as induced fit. Enzymes catalyse and modify the rate of biomechanical reactions without becoming a part of the product of reaction. Like all proteins, enzymes are made in the ribosomes by linking together amino acids from the cytoplasm. Their action is dependent upon their ability to fit with the molecule reactants; otherwise the reaction will not proceed. For example, study from previous experiments demonstrates that the maltose present will not turn into glucose until it enters the intestine (different catalyst). There are diverse types of enzymes that work best under certain optimum conditions including temperature, pH and substrate concentration. Enzymes can be used more than once and are very important to cell functioning; therefore only small quantities of them are required in the cell. The effect of temperature on enzyme activity is; lower temperatures (0 C) will cause the substrates to move at a significantly slow speed to collide and react with the enzyme therefore very little product will be produced, where as too high of a temperature (100 C) will cause denaturing in the enzyme and very little product will be produced, and lastly room temperature (37 C) will provide the most product of the temperatures being tested. In the presence of starch iodine turns…

    • 1536 Words
    • 7 Pages
    Better Essays
  • Good Essays

    Enzymes have some very specific qualities. Enzymes are sensitive to temperature and they tend to work faster as temperature increases, but they can stop working if the temperature becomes too high. Enzymes are also sensitive to pH and their ability to function will be affected if the environment is too acidic or basic for a specific enzyme. Certain chemicals can hinder an enzyme and prevent it from functioning. The inhibition of these enzymes can be temporary or permanent. Enzyme-catalyzed reactions can work both ways or are reversible.…

    • 1980 Words
    • 8 Pages
    Good Essays
  • Good Essays

    The expression of genes is very complicated and is regulated by a number of things. Something that has a major effect on enzyme regulation and stability is temperature. Since enzymes are biochemical catalysts, made up at least partially of protein, they are sensitive in varying degrees to heat. Raising temperatures of the environment generally multiplies the degree of activity by the enzyme. Once an optimum temperature has been reached, however, temperatures that are too high will denature the enzyme it will loose its ability to…

    • 764 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Ib Biology Enzymes Ia

    • 1408 Words
    • 6 Pages

    Enzymes are globular proteins, they are responsible for most of the chemical activities of a living organism. They act as catalysts, substances that affects the reaction of other substances without being destroyed or altered during the process. They are extremely efficient in the body system of living organisms, one enzyme may catalyse over a thousand chemical reactions every second. But there are certain conditions that need to be fulfilled in order for the enzymes to work. Temperature of the environment must be correct for each enzyme because different enzymes will have different temperature ranges in which they can live. pH levels in the environment must also be correct because if the environment around the enzyme is too basic or acidic, the enzyme will quickly denature.…

    • 1408 Words
    • 6 Pages
    Good Essays