Ass Due: last Lesson week 2‚ Term 1‚ 2013Final: First lesson week 6‚ Term 1‚ 2013Procedure: Your task is to investigate the effect of temperature on the activity of enzyme catalase found in beef liver. Use the experimental design and the BioLab Guide provided to assist with your report write up. Safety Considerations: You must have the risk assessment checked before continuing. NOTE: For this task you are required to submit a journal
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THE HUMAN LIVER Steve Shockley SC235: General Biology 1: Human Perspectives Professor Alissa Rennie January 4‚ 2015 The Liver is the body ’s second largest organ‚ weighing about three pounds in an average adult. The human Liver performs many vital functions and is not like any other organ‚ it cannot be compensated by other organs or machines. It is positioned in the upper right side of the abdomen‚ just under the diaphragm. It’s a reddish brown color with four bulging lobes. The main
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chronic liver disease. Liver disease is any condition that causes liver inflammation or tissue damage and affects liver function. Some important function of liver are to convert the food we eat into stored energy and chemicals necessary for life and growth‚ to act as a filter to remove alcohol and toxic substances from the blood‚ and to manufacture and export important body chemicals used by the body. Liver disease is dangerous and it can effect the body. The liver has many functions‚ so liver disease
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Abstract The aim of this study was to test the rate of reactivity of the enzyme catalase on hydrogen peroxide while subject to different concentrations of an inhibitor. The hypothesis was that hydrogen peroxide will be broken down by catalase into hydrogen and oxygen‚ where a higher concentration of inhibitor will yield less oxygen‚ resultant of a lower rate of reaction. Crushed potato samples of equal weight were placed in hydrogen peroxide solutions of various temperatures. The results showed
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Research Project: Potato The potato originated in the South American Andes‚ but its heartland of wild genetic diversity reaches from Venezuela‚ Colombia‚ Ecuador‚ Peru‚ Bolivia‚ Argentina‚ Chile‚ Uruguay‚ Paraguay‚ southern Brazil‚ northward into Central America‚ Mexico‚ and the southwestern United States. Potato was first cultivated between 3 and 7 thousand years ago‚ some scientists believe they may have grown wild in the region as long as 13‚000 years ago. Potato is the third most important
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Catalase Lab Introduction: Catalase is an enzyme normally found in many plant and animal tissues. Its purpose is to destroy toxic substances which may be introduced into cells. Also‚ some cells use catalase to destroy cellular debris or worn out organelles. In this lab‚ we will use a catalase solution from potatoes and determine the effect of temperature and pH on the action of this enzyme. The substrate of the enzyme will be 3% hydrogen peroxide (H2O2). Catalase works by the following mechanism:
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Lab Report The effect of temperature on the reaction between Catalase and H2O2 Sarah AlShemesi In this experiment we’ll be exploring the effects of temperature on the reaction between Catalase and H2O2.We’ll be using five different temperatures to test this. The five different temperatures will be 10‚ 30‚ 50‚ 70 and 90 oC. We will use the liver as a source of Catalase. A 1 gram piece of liver will be inserted into a test tube with 2 cm3 of water‚ then 2 cm3 of H2O2 will be added. The Catalase
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General Biology I Spring Semester 2013 Lab Report Name: Date: 03/20/2013 Lab: # Purpose of this lab: To test for the effects of temperature on catalase activity. Introduction: Enzymes are proteins that act as catalysts and help complex reactions to occur everywhere in life. Enzymes affect a chemical reaction by acting as a catalyst‚ which is to say‚ it speeds up the reaction. However‚ extreme ph and temperature hinders enzyme function. Optimal activity of an enzyme
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Alcohol related liver diseases are a wide range area which refers to a general term named as alcoholic liver diseases. Millions of individuals around the world get affected with liver diseases due to high alcohol consumption. Several risk factors have been analysed that affects the risk of development and evolution of liver disease. The primitiveness and estimation of alcohol related alcoholic liver diseases depends on the pattern and term of alcohol consumption‚ presence of liver inflammation‚ diet
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Cirrhosis of the Liver Cirrhosis of the Liver: Causes‚ Detection and Prevention University of Phoenix- Online Campus Cirrhosis of the Liver is a horrible disease that takes the lives of many people every year. There are many causes‚ symptoms‚ ways to diagnose and treatments that surround this disease as well as many ways that this fatal disease can be prevented. The liver is a key organ when it comes to making the body function properly (National Digestive Diseases Information Clearinghouse
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