communicate with each other by keeping the life and death of the cell under control. What is the substrate of catalase? A substrate is a substance in which an enzyme reacts. A catalase is an enzyme that destroys harmful substances inside your body. Hydrogen peroxide (H_2 O_2) is produced in the body because of the reactive nature of oxygen. Oxygen atoms that are lost can be used to produce this. Catalase converts H_2 O_2 into the water and oxygen gas, thus, protects the DNA. Describe three safety factors
will the enzyme catalase in the potato sample catalyze hydrogen peroxide most effectively? 2. Will the amount of hydrogen peroxide in relation to the amount of potato sample affect my results? 3. Will crushing the potato sample lead to different results, than if a whole potato is used? 4. What is the optimum pH for the enzyme catalase? 5. Will the enzyme catalase actually catalyze hydrogen peroxide in an alkaline medium? 6. Hypothesis I predict that the enzyme activity of catalase on hydrogen peroxide
Name: Stuart Edwards Topic: The effect of pH and temperature on the enzyme catalase. One Research Task: Proposal Draft 2 St. Stithians Boys College Content Rationale Pg. 2 Concept diagram Pg.2 Literature review Pg.3 Topic
The Effect of pH on the Activity of Catalase Planning Experimental Work Secondary Resources Catalase is a type of enzyme found in different types of foods such as potatoes, apples and livers. It speeds up the disintegration of hydrogen peroxide into water because of the molecule of hydrogen peroxide (H2O2) but it remains unchanged at the end of the reaction. This is a type of reaction where a molecule is broken down into smaller pieces. It is called an anabolic
Aim: To study the effect of substrate concentration on the activity of the enzyme catalase, which is found in living tissues and cells. In this experiment we will obtain catalase from yeast cells. The substrate will be hydrogen peroxide (H202), which vary concentrations from 1-10%. We will measure the rate of reaction by the volume of oxygen (02) released into the water. Catalase will do this reaction: 2H2O2 2 H2O2 + O2
Temperature for Potato Catalase Introduction In this experiment. the optimal temperature of catalase in potatoes will be determined using its substrate hydrogen peroxide solution. The reaction of catalase in hydrogen peroxide solution will change depends on the temperature of the hydrogen peroxide solution. If the reaction time of catalase is related to the temperature of its substrate, when the temperature of hydrogen peroxide reaches to 35-40˚C, the reaction of the catalase will be the fastest which
enzymes, also known as protein molecules, is to aid in the conversion of reactants to products by catalyzing the chemical reaction. In the experiment conducted in the BZ 310-L06 laboratory the enzyme catalase, which converted hydrogen peroxide into the products water and oxygen, was analyzed. The catalase enzyme was subjected to varied substrate concentration, inhibitors, and varied temperatures to determine the effects of the environment on the enzyme’s ability to function. The enzyme was first observed
toxic to cells in high levels due to how readily it transforms to a hydroxyl radical, OH- (5). Catalase is an enzyme whose job is to break down hydrogen peroxide, so it does not convert to the hydroxyl radical. When hydrogen peroxide is present in the cell, catalase catalyzes a reaction that transforms hydrogen peroxide into water and oxygen gas. This reaction causes bubbles to form (4). Without catalase, hydrogen peroxide can kill the
60°C) affect the production of oxygen (cm3) from cow hepatic (the enzyme catalase) when placed in boiling tube with 10 ml of 3% hydrogen peroxide for 1 minute? Background Knowledge: Enzymes are biology catalysts which speed up the rate of a reaction (BBC News). Catalase is an enzyme which is found in one’s body and can destroy any harmful substances. Without catalase, many toxic materials could attack and mutate DNA. Catalase is located in the hepatic and when mixed with hydrogen peroxide, it breaks
Catalase Activity Experiment Aim: to find out if different concentration of hydrogen peroxide release different amounts of oxygen when in contact with catalase enzyme. Risk assessment: Hydrogen peroxide is corrosive and can therefore irritate the skin and damage the eye if it comes into contact with these. To prevent this extra caution must be taken to avoid contact with the skin and goggles should be worn while carrying out the experiments. Other sharp implements such as the scalpel
where the chemical reaction occurs. For example, the enzyme amylase will only act on the substrate amylose In our cells the enzyme catalase exists to break down the chemical hydrogen peroxide, which our cells create. Catalase breaks the hydrogen peroxide into water and air,
products. Most of us know that hydrogen peroxide is a toxic chemical but catalase speeds up the breakdown of hydrogen peroxide into non-toxic substance such as water and oxygen. In this catalase enzyme vs. hydrogen peroxide experiment we ask, what environmental treatment will reduce catalase enzyme activity in a potato? We will discover how a potatoes temperature including hot, cold, and room temperatures will affect the catalase enzyme activity. With this information in mind we hypothesized the potato
Effect of Substrate Concentration on Catalase Aims This is an experiment to examine how the concentration of the substrate Hydrogen Peroxide (H2O2) affects the rate of reaction of the enzyme Catalase. Background Information Enzymes such as Catalase are protein molecules, which are found in living cells. They are used to speed up specific reaction within the cell. They are all very specific as each enzyme just performs one particular reaction. Catalase is an enzyme found in food such
Term 1, 2017 Grade 11 Biology In this report we will discuss the rate in which catalase, a type of enzyme, reacts with hydrogen peroxide to create oxygen. We measured the rate that oxygen filled up a glass test tube filled with water, adding more catalase to the hydrogen peroxide to see if oxygen would be made faster. Enzymes are biological molecules that are a catalyst for chemical reactions within cells, they are made out of large proteins. Without enzymes these chemical reactions
At the time of conducting the experiment, the intention was to analyse the effect that an increase in catalase concentration had on the amount of oxygen (O2) produced if the hydrogen peroxide (H2O2) concentration was constant. It was proposed that when the catalase increases in concentration at the increments of 0.5%, 1%, 2%, and 4% and the hydrogen peroxide remained at a fixed concentration, the oxygen production would rise gradually. It was suggested that this would occur due to the collision theory
Temperature on the Activity of the Enzyme Catalase Introduction: The catalase is added to hydrogen peroxide (H²0²), a vigorous reaction occurs and oxygen gas is evolved. This experiment investigates the effect of temperature on the rate at which the enzyme works by measuring the amount of oxygen evolved over a period of time. The experiment was carried out varying the temperature and recording the results. It was then repeated but we removed the catalase (potato) and added Lead Nitrate in
Influence of Temperature on the Activity of Potato Catalase Hypothesis That the higher the temperature the higher the reaction rate of potato catalyse to a point were denaturing occurs in the enzyme and the reaction rate of the potato catalase drops off. Prediction The rate of Catalase activity will be faster at higher temperatures until a point, because at higher temperatures there are more chances of collisions between the enzyme's (Catalase) active site and the substrate (hydrogen peroxide)
The Effect of a Catalase on the Breakdown of Hydrogen Peroxide Aim To follow the progress of a catalysed reaction by measuring the volume of gas produced as the reaction proceeds. Using the initial rates of a series of experiments I will be able to find the orders of the reaction with respect to enzyme and substrate. Also to find out if concentration has an effect on the reaction when an enzyme is used to accelerate the breakdown of hydrogen peroxide. Introduction / Background Information
Investigating Factors that Affect the Rate of Catalase Action Investigation into the factors which affect the rate of catalase action. Planning Aim: To investigate the affect of concentration of the enzyme catalase on the decomposition reaction of hydrogen peroxide. The enzyme: Catalase is an enzyme found within the cells of many different plants and animals. In this case, it is found in celery. This enzyme speeds up the break down of hydrogen peroxide into water and oxygen, as
The Rate at Which It is Broken Down by Catalase AIM To find out whether the concentration of Hydrogen Peroxide affects the rate of decomposition of hydrogen peroxide when broken down by catalase. SCIENTIFIC KNOWLEDGE Hydrogen peroxide is a liquid bi-product of many chemical reactions in living things. It is toxic, so has to be broken down by the enzyme catalase which is also found in most living things. E.g. [IMAGE]Hydrogen peroxide catalase water + oxygen 2H2O2 (aq) 2H2 O +