Enzymes Coursework essays and research papers
Last update: May 28, 2015-
People at Work Coursework
People At Work Coursework Question To what extent do you consider this concept of the McDonaldization of society disturbing, expected or inevitable, for employees in the twentifirst century. Also the possible consequences for theories of human motivation and whether the concept applies equally to all jobs. In this paper I will be analysing the effects McDonaldization has on society and the employees of the twentifirst century. I will be discussing whether McDonaldization is to be
Rating:Essay Length: 1,729 Words / 7 PagesSubmitted: October 9, 2010 -
Gcse Physics Coursework - Resistance of a Wire Coursework
GCSE Physics Coursework - Resistance of a Wire Coursework Resistance of a Wire Task To investigate how the resistance of a wire is affected by the length of the wire. Theory What is resistance? Electricity is conducted through a conductor, in this case wire, by means of free electrons. The number of free electrons depends on the material and more free electrons means a better conductor, i.e. it has less resistance. For example, gold has
Rating:Essay Length: 2,141 Words / 9 PagesSubmitted: November 2, 2010 -
Resistance Coursework
Resistance coursework Aim: My aim is to find out which factors affect the resistance of wire and how they affect them. Ohm's Law: Ohm's law is also relevant to know of Ohm's Law, which states that the current through a metallic conductor (e.g. wire) at a constant temperature is proportional to the potential difference (voltage). Therefore V Ñ' I is constant. This means that the resistance of a metallic conductor is constant providing that
Rating:Essay Length: 1,018 Words / 5 PagesSubmitted: November 8, 2010 -
Biology Coursework: The Effect of Trypsin on Gelatine.
Implementing: - 1. First, I gathered the necessary equipment: § Thermostatically controlled water baths § Ice § Thermometer § Stop watch § Test tubes § Photographic film (b/w) § Syringe § Test tube rack § Ruler § Scissors § O.1% trypsin made in pH7 buffer solution § Mounted needle 2. I then decided on the range of results and temperatures I was to investigate. I decided to observe 20Ñ", 30Ñ", 40Ñ", 50Ñ", 60Ñ", 70Ñ"
Rating:Essay Length: 681 Words / 3 PagesSubmitted: November 15, 2010 -
Biology Enzymes G.C.S.E
Is there a relationship between the quantity of enzymes and the rate of reaction with the substrate? Hypothesis Using my scientific knowledge my hypothesis is that as the quantity of enzymes increases so will the rate of reaction. Reasons for this hypothesis I am basing my hypothesis on a hypothesis known as the 'lock and key hypothesis.' It explains that when an enzyme substrate complex forms by means of a spontaneous reaction the substrate fits
Rating:Essay Length: 2,418 Words / 10 PagesSubmitted: November 17, 2010 -
Resistance Coursework - Some Useful Things
Resistance Coursework Planning: Aim Investigate how the length of a wire affects the current and resistance of a wire. Variables The variables that could change resistance are: * Length of the wire * Cross section area (thickness) * Changing materials * Changing temperatures The variable I am going to change in my experiment is the length of the wire. Prediction and Hypothesis I think as you increase the length of the Constantan wire, you also
Rating:Essay Length: 352 Words / 2 PagesSubmitted: November 17, 2010 -
Physics Coursework: Planning
Physics Coursework: Planning Up to 8 marks are available for planning your practical investigation. As with the other 3 areas of assessment, the criteria you have to meet are hierarchical - you must achieve the lower marks before you can be awarded marks higher up. The Planning Criteria The table below indicates the criteria your work will be marked against. Failing to outline even the most basic of procedures would mean that you could not
Rating:Essay Length: 3,800 Words / 16 PagesSubmitted: November 27, 2010 -
Temperature Effects in Enzyme Activity
Temperature Affecting Enzyme Activity Introduction The basic properties of life revolve around chemical reactions. Without the presence of enzymes some of life's processes would not come so easily. Enzymes are basically proteins, which have specific shapes for different substrates. Enzymes change the rate in chemical reactions. It does this without having to change its own shape, which makes enzymes different from other proteins. A common enzyme that we have is catalase, which breaks down hydrogen
Rating:Essay Length: 749 Words / 3 PagesSubmitted: November 29, 2010 -
Planning Coursework-Starch and Amylase
PLANNING COURSEWORK- STARCH AND AMYLASE AIM The aim of this coursework is to investigate the effect of temperature change, on the rate of hydrolysis of starch catalysed by amylase. PREDICTION I think that as the temperature increases, the rate of reaction also increases, to a point when it dramatically decreases. On graph 1, you will see a sketch of the graph which I expect to be the result of the experiment. SCIENCE REASONING I think
Rating:Essay Length: 1,666 Words / 7 PagesSubmitted: November 29, 2010 -
Drama Coursework: Response Portfolio Scaramouche Jones
Drama coursework: response portfolio Scaramouche Jones This year in year 10 G.C.S.E. drama we have been studying Justin Butchers play "Scaramouche Jones". We read, discussed, developed and preformed certain parts of the play and using some of the explorative strategies of drama we gained a deeper understanding and appreciation of the play text that was explored. Before we began to read the play text we were put into groups of 2 and we were made
Rating:Essay Length: 613 Words / 3 PagesSubmitted: December 3, 2010 -
Physics Coursework Theory - Resistance of a Wire
Theory behind my experiment Thickness (cross sectional area of the wire), length, and temperature all have some effect on the amount of resistance created in a wire. Another factor is the conductivity of the material we are using. Some metals are just more electrically conductive than others. As long as I use the same type of metal for each wire, my experiment will remain fair. Cross Sectional Area The thicker the wire, the less resistant
Rating:Essay Length: 261 Words / 2 PagesSubmitted: December 6, 2010 -
Enzyme Lab
Introduction Enzymes are the catalysts of biochemical reactions that are produced in the cell. It changes the rate of reaction but is not consumed by it. The reaction produced breaks up substrate molecules, and afterwarc, the enzyme is free to move on to another substrate molecule. The substrate molecule is the original molecule that the enzyme attaches to it active site where the substrate is changed. There are several objectives to this lab. They
Rating:Essay Length: 1,123 Words / 5 PagesSubmitted: December 6, 2010 -
Enzyme Lab Report
Introduction: The purpose of this lab was to measure the extent of enzyme reaction on given substrates by means of color change. The reaction followed is given below: Tyrosinase„Ñ- Enzyme Pyrocatechol Hydroxyquinone Oxidation/Reduction Pink „Ñ- Brown E+S + [ES] = E+P Enzyme Reaction Hypothesis: If there is an increase in enzyme concentration, an increase in reaction temperature, or an increase in buffer pH, then greater intensity in a given reaction will be experienced, resulting in
Rating:Essay Length: 657 Words / 3 PagesSubmitted: December 8, 2010 -
Boom or Bust: Prohibition Coursework
Boom or Bust: Prohibition Coursework Was it bound to fail? A-: Study source A and B. How far do these two accounts agree and prohibition? Source a is dealing with two different sources but both about the subject which is Prohibition. Many of historians have their own opinion about it, but the main question is of these two-account show much do they agree on about Prohibition. Source A is a section of writing that was
Rating:Essay Length: 1,969 Words / 8 PagesSubmitted: December 8, 2010 -
Enzymes
Enzymes CHARACTERISTICS * Molecule has a active site * Changes in ph and temperature can adversely change enzyme action * Increase rate of reaction i.e. acts as a catalyst * All processes are reversible * Protein molecules well developed tertiary structures * Specific Remember in order to start a reaction a certain amount of energy has to be supplied called activation energy. STRUCTURE Enzymes are globular proteins; this means they are very complex LOCK AND
Rating:Essay Length: 882 Words / 4 PagesSubmitted: December 12, 2010 -
English Media Coursework (saving Private Ryan)
Analyze the methods used to make the opening battle sequence of 'Saving Private Ryan' both shocking and realistic, and say how effective you find it as an introduction to the film Steven Spielberg's master piece Saving Private Ryan earned itself 5 academy awards, including the best director award in 1998. The all star cast starring Tom Hanks, Matt Damon, Tom Sizemore and Edward Burns brings to life the horror of war. Seen through the eyes
Rating:Essay Length: 1,998 Words / 8 PagesSubmitted: December 17, 2010 -
Macroeconomics for Banking and Finance Coursework
AFEAEM734 Macroeconomics for Banking and Finance Coursework Explain, with reference to one real world example, the role played by central bank independence in improving inflation performance. Introduction The aim of the assignment is to evaluate and analyse the role played by central bank independence, henceforth CBI, in improving or lowering inflation. There have been countless investigations into this and the general consensus points out that the relationship between CBI and inflation is negatively correlated, meaning
Rating:Essay Length: 3,393 Words / 14 PagesSubmitted: December 18, 2010 -
Gcse Physics Coursework - 2005/2006
GCSE Physics coursework - 2005/2006. Introduction. According to ohms law, a higher resistance simply means a larger amount of energy is used to move the electrons through the wire as they collide with the atoms. Therefore resistance is measurement of how much energy is used to push the current through a substance or material. In this experiment I will be judging the connection between a wires length and its resistance. In theory, if I were
Rating:Essay Length: 1,047 Words / 5 PagesSubmitted: December 20, 2010 -
Blitz Coursework
GARY HOLMES The civil service was formed to try to stop enemy planes from bombing London and vital factories which was constructing artillery. This did not always work as areas were bombed but the success was substantial, and contributed to the victory of the allies. The articles Ð''danger over Dagenham', Ð''on the home front' and Ð''the Barking, East Ham and Ilford advertiser' show how the civil service contributed to the survival of the factories and
Rating:Essay Length: 6,062 Words / 25 PagesSubmitted: December 26, 2010 -
Effect of Temperature on an Enzyme Controlled Reaction
To investigate the effect of temperature on an enzyme controlled reaction Introduction and planning For the investigation of enzymes, I am going to conduct an experiment to see how temperature can affect the rate of reaction of enzymes by testing it with starch. The enzyme that we are going to use is called amylase. We are going to test this enzyme with starch. By mixing amylase and starch solutions together under different temperature conditions, we
Rating:Essay Length: 3,517 Words / 15 PagesSubmitted: January 1, 2011 -
Chemsitry Coursework
Chemistry Coursework An investigation: Reacting magnesium with hydrochloric acid Introduction Experiment equation = Magnesium + Hydrochloric acid Magnesium Chloride + Hydrogen Mg + 2HCl MgCl2 + H2 The aim of the experiment is to investigate how the concentration of hydrochloric acid affects the rate of reaction with magnesium, i.e. how quickly/how much hydrogen is produced. The factors that may affect the rate of reaction are as follows: * Temperature of the Hydrochloric Acid * Catalyst
Rating:Essay Length: 822 Words / 4 PagesSubmitted: January 1, 2011 -
Chemistry Coursework - the Dissappearing Cross
CHEMISTRY COURSEWORK- "THE DISSAPPEARING CROSS" PLANNING Background Information: During a chemical reaction the reacting particles must collide with each other, however, collision alone does not guarantee that the reaction will start. Reaction will only occur if the colliding particles have sufficient combined energy to get over the energy barrier between reactants and products. This minimum amount of energy that is required is called the activation energy. * Changing the Temperature: As we increase the temperature
Rating:Essay Length: 263 Words / 2 PagesSubmitted: January 4, 2011 -
Hamlet Coursework
"Hamlet thou has cleft my heart in twain" Most productions present Gertrude and Ophelia as sympathetic victims of Hamlet's cruelty. As your starting point, refer to either the closet scene or the nunnery scene and, paying close attention to the language, show how it reveals the interaction between Hamlet and the women characters here and throughout the play. Referring to Hamlet's portrayal of a cruel character, the major victims that first come to mind are
Rating:Essay Length: 1,762 Words / 8 PagesSubmitted: January 6, 2011 -
Bio Effect of Temperature on Enzymes
Site Search Admissions Enquiries Within the UK: 020 7815 7815 Outside the UK: 4420 7815 7815 Effect of temperature and pressure Rates of all reactions, including those catalysed by enzymes, rise with increase in temperature in accordance with the Arrhenius equation. (1.21) where k is the kinetic rate constant for the reaction, A is the Arrhenius constant, also known as the frequency factor, DG* is the standard free energy of activation (kJ M-1) which
Rating:Essay Length: 1,565 Words / 7 PagesSubmitted: February 4, 2011 -
Enzyme
Examination of the Effects of Inhibitory and Non-Inhibitory Competition, Enzyme-Substrate Concentration, Along with Varying Temperature and pH-Balanced Environments on the Enzyme-Catalyzed Reaction of pNPP Abstract: Introduction: Many of the chemical reactions, which take place in in living things are controlled by enzymes. In such cases, the enzyme is a protein in the cell which lowers the activation energy of a catalyzed reaction, which serves to increase the rate of the reaction. Alkaline phosphatase is made
Rating:Essay Length: 1,882 Words / 8 PagesSubmitted: February 5, 2011