Enzymes INTRODUCTION Enzymes are protein cells and they are found in the gut. They help to break down the food you eat. Enzymes are produced by living cells and they speed up reactions because they are biological catalysts. If we did not have enzymes‚ the reactions in our cells would be too slow to keep us alive. This means that they are extremely important for our survival. The properties of enzymes are: ⋆ They can be used many times‚ because they can speed up reactions without
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The purpose of this lab was to observe and understand the effects of changes in temperature‚ pH‚ enzyme concentration‚ and substrate concentration on the reaction rate of an enzyme-catalyzed reaction. Another purpose of the lab was to explain how environmental factors affect the rate of enzyme-catalyzed reactions. Hypothesis: I believe that if there is an increase in enzyme concentration‚ an increase in temperature‚ or an increase in pH‚ then the intensity of the reaction will increase
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Cellular Biology furthers technology-Enzymes in the Dairy Industry Since ancient times‚ enzymes have played an important role in food production. Especially in the diary industry‚ some enzymes are required for the production of cheese‚ yogurt‚ and other dairy products‚ while others are used in a more specialized fashion such as improving texture or flavour of the product. Enzymes are used to catalyze the desirable reactions in industrial processes. Today‚ enzyme applications in such processing get
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Amylase is a very important enzyme located in the saliva and pancreatic juices that hydrolyses (break down) starch and glycogen into more simple and readily digestible forms of sugar. Enzymes are biological catalysts that increase the rate of biological reactions. Enzymes are produced in living cells and are involved in speeding up biochemical reactions. They have an active site to which specific substrate binds. They increase the rate of reactions by decreasing the amount of activation energy meaning
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Introduction: Enzymes are biological catalysts that permit cells to carry out the many functions that are required in a living system. Every enzyme has a specific substrate and a specific function. Enzymes alter substrates one of three ways: by adding something to the substrate‚ removing something from the substrate‚ or by changing its conformation‚ otherwise known as its shape. The structure of an enzyme and its ability to function exists because it binds to an active site‚ thus increasing the
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was performed in order to analyze the effects of pH‚ enzyme concentration‚ and temperature on the catalytic rate on enzyme ALP. The initial experiment was done to approximate the optimum pH for the activity of the enzyme. The hypothesis was that alkaline phosphatase activity will be critically affected by pH effects. The hypothesis was valid because the data shows that the pH values for the acidic‚ basic‚ and neutral tubes increased over time‚ absorbing at similar rates. The basic tube had the highest
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Enzyme-Controlled Reaction Procedure: Click the TV/VCR. Then click the Play button on the video controller. Watch an animation about enzyme action. Click More Information to read about enzymes and substrates. To conduct the experiment: Adjust the pH level of the test tube by click the up and down arrows Add substrate to each of the test tubes that already contain an enzyme solution Click and drag a piece of weighing paper with the powdered substrate to a test tube. Click the computer monitor to
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however‚ without enzymes‚ these reactions could possibly take several years to complete. An enzyme is a macromolecule‚ generally a protein‚ that lowers the activation energy of a reaction without being changed by the reaction‚ and this causes the reaction to occur much faster than usual (Campbell et al.‚ 2014). The act of speeding of a chemical reaction is called catalysis‚ and molecules that perform this are called catalyst. Enzymes act as catalysts‚ and there a many types of enzymes that perform many
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generally followed most of my plan for the experiments‚ but to improve accuracy and reliability‚ I made one change. In my plan‚ I said that I was going to use 20cm³ of starch for each experiment. However‚ in my actual experiment I used 40cm³ of starch. This is because I thought I might not have had enough solution if I only used 20cm³ of starch. If this was the case‚ then I would have to stop the experiment half way through‚ which would have prevented me from obtaining accurate results. So for this reason
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The purpose of this lab was to determine the effects of changes in variables such as temperature‚ pH and concentration on catalase enzyme activity. Proteins are organic compounds made up of amino acid subunits consisting of carboxyl and amino functional groups‚ linked together by peptide bonds through condensation reactions. They are an essential part of all living organisms. Enzymes are “biological catalyst used to speed up chemical reactions (Athanasopoulos‚ 2014). Normally‚ for chemical reactions;
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