GCSE Enzyme Coursework and Enzyme Experiments. Catalysts, pepsin etc.
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GCSE: Biology Coursework: Enzymes Coursework and Essays
Pages: 1 2 [>>]

The Effect of Temperature on Enzymes
(User Rating: 6.79 | Length: 8.7 Pages) The Effect of Temperature on Enzymes Planning Introduction: An Enzyme is any one of many specialised organic substances, composed of polymers of amino acids, that act as catalysts to regulate the speed of the many chemical reactions involved in the metabolism of living organisms. Those enzymes iden ...

Amylase Experiment
(User Rating: 8.50 | Length: 7.0 Pages) Amylase Experiment Hypothesis I predict that as the temperature increases, the speed of the reaction will increase. When a particular temperature is reached I believe the rate of reaction will dramatically decrease. I believe this because most chemical reaction happens faster when the temperature i ...

An investigation into the (factors that effect) rate of reaction of the enzyme catalase
(User Rating: 4.67 | Length: 4.1 Pages) An investigation into the (factors that effect) rate of reaction of the enzyme catalase Introduction In this experiment I will attempt to investigate the factors that effect the rate of reaction of the enzyme catalase. Catalyse is an enzyme found in food such as potato and liver. It is used for rem ...

Biology coursework on enzymes
(User Rating: 7.29 | Length: 1.5 Pages) Biology coursework on enzymes Background Knowledge Introduction: Enzymes are biological catalysts made up from protein. As we know, catalysts are substances that speed up the rate of a reaction without itself being used up. An enzyme has an active site, which has a unique shape into which only a su ...

Catalase and Hydrogen Peroxide SC1
(User Rating: 5.50 | Length: 4.0 Pages) Catalase and Hydrogen Peroxide SC1 Aim: To investigate the effect of temperature on the enzyme catalase. Prediction: Using my existing scientific knowledge, I predict that as I raise the temperature to 30, 35, and 40, this is where we will see the greatest reaction. I predict this because enzymes a ...

Concentration of Substrate
(User Rating: 6.62 | Length: 5.9 Pages) Concentration of Substrate I have to plan and carry out an experiment to investigate the way in which concentration of a substrate affects the rate of an enzyme-catalysed reaction. I will need to carry out some background information to find out what may affect my experiment. Background Information ...

Enzyme Coursework Checklist
(User Rating: 6.00 | Length: 0.6 Pages) Enzyme Coursework Checklist Introduction. Have you answered these questions? · What is an enzyme? (Lock and key) · What is a Catalyse and what jobs does it do? · What are the propitiates of enzymes? Prediction. Have you answered these questions? · How do you think temperature effects enzymes? · Why ...

Enzymes and Temperature
(User Rating: 4.99 | Length: 3.0 Pages) Enzymes and Temperature Plan: the idea of this experiment is to find the optimum temperature of the chemical enzyme Methylene blue. I will do this by mixing the enzyme with yeast in a test tube and sitting this in the water. The water will be a certain temperature so that the mixture sits in a cert ...

Factors Affecting of sugar concentration on rate of fermentation
(User Rating: 6.83 | Length: 4.6 Pages) Factors Affecting of sugar concentration on rate of fermentation Planning Aim To fine whether different type of sugar solution effect the rate of fermentation. How does it effect the rate and which type of concentration works best. Factors affecting the rate of fermentation * Temperature * Type of ...

Factors affecting the rate of an enzymic reaction
(User Rating: 3.00 | Length: 2.2 Pages) Factors affecting the rate of an enzymic reaction Enzymes are biological catalysts. They speed up biological reactions and like enzymes are not used up. They are specific to a certain reaction. I have been asked to design an experiment that investigates one factor that affects the rate of an enzyme ...

Fermentation Investigation
(User Rating: 8.26 | Length: 6.5 Pages) Fermentation Investigation Planning As a culture of yeast is merged with solution of sugar, a reaction called fermentation occurs. As products, ethanol and carbon dioxide are produced, in form of liquid and gas respectively. The reaction follows this equation: Glucose solution + Yeast Carbon dioxid ...

how temperature affects the breakdown of hydrogen peroxide by the enzyme catalyse
(User Rating: 3.63 | Length: 3.2 Pages) how temperature affects the breakdown of hydrogen peroxide by the enzyme catalyse Planning Aim My aim is to find out how temperature affects the breakdown of hydrogen peroxide by the enzyme catalyse. Apparatus & Diagram Delivery tube Measuring cylinder Boss & Clamp Boiling tube Stand Water ...

Hydrogen Peroxide
(User Rating: 5.00 | Length: 6.2 Pages) Hydrogen Peroxide An investigation into how the amount of oxygen is produced by changing one variable effects the decomposition of Hydrogen Peroxide in the presence of the enzyme. Hydrogen peroxide Water + Oxygen 2 H2O2 2H2O + O2 This shows us that when the H2O2 has reacted with the catalyst this i ...

Investigating Enzymes
(User Rating: 5.00 | Length: 1.9 Pages) Investigating Enzymes AIM: To investigate factors which effect the activity of an enzyme. INTRODUCTION: Enzymes are large particles that speed up reactions. Enzymes are usually just used for one reaction. Enzymes have certain needs, which make them work at their best these needs consist of the righ ...

Investigating Enzymes
(User Rating: 9.17 | Length: 5.3 Pages) Investigating Enzymes Research Enzymes exist in all living things. They are composed of polymers of amino acids and are produced in living cells. Each cell contains several hundred enzymes, which catalyse a vast number of chemical reactions. Enzymes are known as Biological Catalysts as they dramati ...

Investigating the rate of reaction of enzymes in the clearing of photographic film
(User Rating: 7.47 | Length: 6.5 Pages) Investigating the rate of reaction of enzymes in the clearing of photographic film What are enzymes and what do they do? Enzymes are proteins that speed up the rate of reaction in living things without being changed themselves. They are composed of polymers of amino acids and are biological catalys ...

Lipase investigation
(User Rating: 3.00 | Length: 2.6 Pages) Lipase investigation I am going to use five different kinds of milk as I think that this is a suitable number to give me a varied amount of fat concentrations. My different milks are: Type of milk Grams of pat per 100ml Whipping cream 38 Single cream 18 Full fat milk 3.6 Breakfast milk 5.2 Semi-ski ...

Lipase investigation
(User Rating: 3.00 | Length: 4.6 Pages) Lipase investigation I am going to use five different kinds of milk as I think that this is a suitable number to give me a varied amount of fat concentrations. My different milks are: Type of milk Grams of pat per 100ml Whipping cream 38 Single cream 18 Full fat milk 3.6 ...

Rate of Catalase Activity
(User Rating: 2.57 | Length: 2.8 Pages) Rate of Catalase Activity Background Information Enzymes such as catalyse are protein molecules, which are found in living cells. They are used to speed up specific reactions in the cells. They are all very specific as each enzyme just performs one particular reaction. Catalyse is an enzyme found i ...

Rates of reaction
(Length: 2.8 Pages) Rates of reaction The background knowledge that I have in order to carry out this experiment is as followed: 1. That the bacteria E.coli is a harmful bacterium that infects and causes serious damage to humans, who usually get it from under cooked food. 2. That, in order to kill bacteria you need to ...

Respiration in Yeast
(User Rating: 4.85 | Length: 4.6 Pages) Respiration in Yeast I am looking at yeast to find the optimum conditions for it to produce more alcohol and carbon dioxide as waste products from breaking down glucose during anaerobic respiration. Skill P: There are many factors (variables) that could affect my investigation such as the temperatu ...

Temperature, Amylase and Starch
(User Rating: 6.04 | Length: 11.8 Pages) Temperature, Amylase and Starch Introduction Enzymes are the catalysts of chemical reactions taking place in living organisms. Each Enzyme is a protein that catalysts a particular reaction. Enzymes break down bigger molecules into smaller ones. Enzymes work best at temperatures like body temperatur ...

The effect of hydrogen peroxide on catalase if you change the temperature
(User Rating: 8.16 | Length: 7.9 Pages) The effect of hydrogen peroxide on catalase if you change the temperature AIM Effect of temperature of the action of the Enzyme Catalase. PLANNING Background Knowledge An enzyme is a biological catalyst, it alter the rate of reaction without being changed itself. Enzymes are proteins; they have a v ...

The effect of Temperature on Enzymes
(User Rating: 7.16 | Length: 4.6 Pages) The effect of Temperature on Enzymes Aim: To investigate the effect of temperature on the breakdown of starch by amylase, and to find the optimum temperature for the reaction. Research: Enzymes are proteins that control vital biological processes. They often act as biological catalysts. They are ma ...

The Effect Or Varying Enzyme Concentration On The Breakdown Of Hydrogen Peroxide In The Presence of
(User Rating: 7.45 | Length: 10.0 Pages) The Effect Or Varying Enzyme Concentration On The Breakdown Of Hydrogen Peroxide In The Presence of Hypothesis - Hydrogen peroxide will breakdown to oxygen and water in the presence of Catalase. The reaction will increase with increasing enzyme concentration when molecules of hydrogen peroxide are ...


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