Enzyme Action Essays

  • The Action of an Enzyme

    602 Words  | 2 Pages

    The Action of an Enzyme Introduction The breakdown of wastes in liver cells produces hydrogen peroxide which is poisonous. This must be removed if the cell is to remain unharmed. Method 1. Label the test tubes A, B, C, and D. label the staining dishes B, C, and D. 2. Put 5cm3 of hydrogen peroxide in each test tube. Be careful -hydrogen peroxide is dangerous. 3. Put two cubes of raw liver into another test tube and put this in the water bath (set at boiling) for 2 minutes.

  • The Effects of Temperature on the Action of Enzymes

    1222 Words  | 3 Pages

    The Effects of Temperature on the Action of Enzymes Aim: To see how changing the temperature affects the action of the enzyme. ------------------------------------------------------------------ MY HYPOTHESIS: I think that as the temperature increase the quicker the reaction will become ------------------------------------------------------------------- Outline of method You add ice to 150cm³ of cold water in a beaker to bring its temperature down to 10cº. Then a fixed volume of

  • The Effect of Temperature on the Action of Peroxidase Enzyme

    779 Words  | 2 Pages

    The Effect of Temperature on the Action of Peroxidase Enzyme Aim To find the effect of temperature on an enzyme in this case peroxidase, by studying it decomposing hydrogen peroxide. Planning I am measuring the amount of gas given off in the reaction. By collecting this figure I can determine the rate of reaction. If I know the rate of reaction I can find out what temperature peroxidase works best at. Equipment · Trough · Clamp · 100ml measuring cylinder · Stop clock

  • Creating New Enzyme Actions De Novo

    1726 Words  | 4 Pages

    ABSTRACT Enzymes are molecules, specifically proteins that catalyze chemical reactions. Enzymes, like all catalysts, accelerate the rate of a reaction by lowering the activation energy. Nucleic acid RNA molecules called ribozymes can also act as enzymes and catalyze reactions. The development of new enzymes for the synthesis of chemical reactions, pharmaceuticals, and tools for molecular biology is a new and upcoming interest. Work has previously been done in the development for modifying and

  • Varying Concentration of Rennin and Its Effect on the Goagulation Time of Milk

    1272 Words  | 3 Pages

    Rennin and Its Effect on the Goagulation Time of Milk Scientific Knowledge Enzymes Enzymes are large molecules, which are protein in nature. They are biological catalysts that speed up chemical reactions in the body. They operate by a "lock and key" method. The Enzyme has a certain "lock" (active site) that only a specified substrates "key" will fit into. Enzyme action Rennin A proteolytic enzyme that speeds up the coagulation of milk. It is usually found in the tissues of a

  • The Effect of Temperature on the Action of Protease on Photographic Film

    1955 Words  | 4 Pages

    The Effect of Temperature on the Action of Protease on Photographic Film Aim: to show the effect of temperature on the action of protease on photographic film Prediction: I predict that as the temperature of the enzyme increases, so will the rate of reaction. However, I only predict this until a certain temperature and beyond perhaps 60(optimum temperature) the enzyme will stop working as well and both the enzyme and the substrate will become slightly deformed. As the temperature rises

  • Background On Enzymes

    1031 Words  | 3 Pages

    Background On Enzymes Enzymes are biological catalysts. They speed up the chemical reactions which go on inside living things. Without enzymes reactions would be so slow that eventually life would grind to a halt. There are many different types of enzymes and each of them is extremely efficient at doing their job. For example, some of the reactions which take place in our cells, e.g. the liver, produce a by-product called hydrogen peroxide. Hydrogen peroxide is very poisonous so it must

  • Chemical Reaction Lab Report

    1359 Words  | 3 Pages

    Enzymes are proteins that consist of a long chain of different amino acids that increase the rate of chemical reactions by lowering activation energy. (Bbc, 2016) Activation energy is the minimum amount of energy required to activate molecules to undergo a chemical reaction, so lowering the activation energy enhances the chemical reaction, allowing it to occur faster and more often. (Encyclopedia Britannica, 2016) Chemical reactions happen within cells, with molecules called substrates. (Live Science

  • Enzymes Essay

    2634 Words  | 6 Pages

    What are enzymes? Enzymes are generated by a living organism that behaves as a catalyst to carry out a clear biochemical reaction. Enzymes increases the rate of chemical reactions by lowering the free energy barrier that separates the reactants and products.Enzymes are the tools of nature and they help in breaking down our food. They speed up all necessary biological activities. The enzymes in the stomach, as an example make certain that food is break down into smaller fleck that can be transformed

  • Toothpickase Essay

    1570 Words  | 4 Pages

    Enzymes are biological catalysts, which are proteins that help speed up chemical reactions. Enzymes use reactants, known as the substrates, and are converted into products. Through this chemical reaction, the enzyme itself is not consumed and can be used over and over again for future chemical reactions, but with the same substrate and product formed. Enzymes usually only convert specific substrates into products. Substrates bind to the region of an enzyme called the active site to form the enzyme/substrate

  • Vmax And Km Michaelis-Menten Theory Of Enzymes

    1135 Words  | 3 Pages

    Enzymes are biological catalysts for mainly proteins which speed up reactions without being chemically changed by reducing energy barriers these enzymes can be found in plants and animal cells. Enzymes are able to fold in to complex shapes this allows molecules which are smaller to fit within them. Enzymes join a substrate complex molecule without changing the structure which are temporary held within the active site. When the reaction has occurred the enzymes separates then connects to another

  • Classification Of Enzymes And Enzymes

    1667 Words  | 4 Pages

    Coenzymes are small organic molecules that associate to enzyme and whose existence is necessary to the action of those enzymes. Coenzymes belong to the larger group called cofactors. several reactions of substrates are catalyzed by en¬zymes only in the presence of a definite non-protein organic molecule called the coenzyme. Coenzymes unite with the apoenzyme (the pro¬tein part) to form holoenzyme. Fig 1: coenzyme Classification of co-enzymes Coenzymes can be classified into 2 groups according to

  • Essay On Amylase

    2162 Words  | 5 Pages

    Starch is constructed of glucose subunits linked to one another through glycosidic bonds. Amylase is a group of enzymes capable of digesting these glycosidic linkages by hydrolyzing, or splitting by addition of a water molecule, the starch into smaller carbohydrate molecules like glucose and maltose. It is best known for its function in beginning the chemical process of digestion in the human body, converting complex carbohydrates into forms usable in the body. However, with recent advances in biotechnology

  • Enzymes in Brewing Industry

    1894 Words  | 4 Pages

    Enzymes in Brewing Industry Bioengineering Research Paper Enzymes are catalysts or proteins that are produced by a living cell, but in process are independent of the cell itself. There are two types of enzymes i.e 1) Cell Independent enzymes 2) Non-enzymic enzymes Enzymes are long chains of amino acids held together by peptide bonds. They exist in all living cells, usually controlling the metabolic process whereby nutrients are converted into energy. Enzymes are also catalyst, this mean

  • Catalase Reaction Essay

    1322 Words  | 3 Pages

    reactions by measuring the volume of oxygen produced as the reaction proceeded. Enzymes are biological catalysts - catalysts are substances that increase the rate of chemical reactions without being altered itself. Enzymes are also proteins that fold into complex shapes that allow smaller molecules to fit into them. The place where these substrate molecules fit is called the active site. The active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active

  • Enzyme Catalyzed Reactions

    677 Words  | 2 Pages

    one of the factors that affect the enzyme activity will be examined. All enzymes are proteins. The function of enzymes are to accelerate defined chemical reactions by alternating the rate of the reaction. They will not trigger a reaction to take place that would not occur naturally. Having a particular enzyme to catalyze each of the chemical reactions that take place in a living cell, total control of metabolism can be sustained by an organism. Catalase is an enzyme found in cellular organelles called

  • Investigating Amylase

    1938 Words  | 4 Pages

    investigate how effectively the enzyme amylase breaks down starch at different temperatures, and therefore to find the optimum temperature that amylase digests starch. Introduction: Thousands of chemical reactions take place in our cells and those reactions need to happen quickly in order to keep us active. These chemicals are called ENZYMES. Enzymes make reactions happen at a much faster rate. Enzymes come in two main types, breakers and builders. Breaker-enzymes break down large molecules

  • Enzyme Lab Report

    1364 Words  | 3 Pages

    Metabolic reactions need enzymes, without enzymes reactions would occur at a pace which is far too slow to keep up with the life functions of an organism. (Campbell et al. 2000; Brooker et al. 2008; Reece et al. 2012). An enzyme is a biological macromolecule protein which acts as a catalyst, it speeds up a specific chemical reaction without being consumed or changed in the process. When the substrate and enzyme are combined they form an enzyme substrate complex. Enzymes shape can change making their

  • The Effect of pH on the Activity of the Enzyme Amylase

    1088 Words  | 3 Pages

    Activity of the Enzyme Amylase Aim :- To find the effect of pH on the activity of the enzyme amylase. An enzyme is a type of protein found in all living cells. Enzymes act as biological catalysts, breaking down substrates without needing a high temperature, allowing all the chemical reactions of metabolism to take place, regulating the speed at which they progress, lowering the activation energy and providing a means of controlling individual biochemical pathways. Enzymes owe their activity

  • Notes On Kinetics Of Enzyme Kinetics

    965 Words  | 2 Pages

    Kinetics of Enzyme catalysed reactions: Enzyme kinetics deals with the rate of enzyme catalyzed reactions. This provide information about several important aspects such as:- i)Specificity of enzyme ii)Mechanism of enzyme action iii)Parameters which characterize the physical properties of enzymes. In order to understand enzyme kinetics, it is important to understand Vmax and Michaelis-Menten constant. The rate of reaction catalyzed by an enzyme increases