Chavez Period 1‚ Bio Acc. Mrs. Petrov October 1‚ 2014 Tyrosinase Enzyme Lab Question What are enzymes and how can we cause changes in enzyme function? Objective The objective of this experiment is to observe if changes in temperature will cause a disruption in enzyme function. Hypothesis If we add and boil enzyme in L-Dopa‚ then the color will become darker because the temperature will denature some of the enzymes. Variables Independent: Temperature Dependent: Color change Control:
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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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movement. Jack D. Peters 3 Mass & Stiffness Mass & Stiffness fn = 1/2П k/m Where: fn = natural frequency (Hz) k = stiffness (lb/in) m = mass mass = weight/gravity weight (lb) gravity (386.1 in/sec2) Jack D. Peters 4 Mass & Stiffness Concept ! fn = 1/2П k/m If k increases Then f increases If k decreases Then f decreases Jack D. Peters 5 Mass & Stiffness Concept ! fn = 1/2П k/m If m increases Then f decreases If m decreases Then f increases Jack D. Peters 6 Spectrum What’s This ? 1 0
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Effecting the Reaction Rate in Enzymes in Plants and Animals Problem- How do variables temperature and surface area affect the rate of reaction occurring in the enzyme? Information- Enzymes are proteins that act as biological catalysts. They speed up chemical reactions that take place in cells. Enzymes can be found in both liver and potato. They provide a site where reactants can be brought together to react. These reactants are called substrates that fin into the enzyme. The changing of heat‚
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In this enzyme lab‚ (insert creative name)‚ the enzyme catalase was observed under varying conditions in order to interpret what prohibits and inhibits the functioning of certain enzymes in chemical reactions. Enzymes aid in chemical reactions by speeding up the time it takes for the reaction to occur‚ without getting “used up” throughout the process. Catalase‚ the specific enzyme used in this lab‚ is a protein abundant in the liver and red blood cells. It enhances the breakdown of hydrogen peroxide
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M & M Project Masterfoods USA put together a team to review the color a proportion of the M&M’s being placed in each 1.69 bag. To ensure that a random sample was obtained‚ each of the 20 members on the team acquired a bag of M&M’s from three different store locations. Each part of the project utilized the M&M’s obtained to determine if the color proportions are what the company expected to be in the bags. Additionally‚ the team identified a couple of process that could assist the company in
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Enzyme Lab Introduction/ Abstract An enzyme is a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction. They are mainly made up of proteins and can tremendously speed up reactions. E. coli ( a bacterium) has about 1‚000 different types of enzymes floating around in its cytoplasm at any given time. Enzymes can be used to join and even break up molecules as shown in the diagram below. (1)
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Margaret Atwood’s poem The Landlady presents a depressing and frightening experience of one living in a rented room. The landlady is very much the dangerous gaoler of this prison‚ and one who specializes in oppression. The poem is striking in its use of language‚ including imagery‚ sounds‚ and rhythms‚ that vividly portray the feared landlady and the shrinking tenant. The comparison of the speaker’s living situation to that of a prison‚ a place of oppression‚ is the dominant thematic
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latte. I am settled at a table in my local coffee shop enjoying the view out of the window on the second floor. As I was gazing out the window‚ I hadn’t realized that two other people are sitting down next to me. To my surprise‚ I look up and see Margaret Sanger and FDR side by side across from me. I almost spit out my latte in shock! They ask me how I am doing‚ and I start to explain to them how I am working on an ideal society project for college. I tell them how my group had decided on a socialist
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Biomes Comparison Essay Ecologists group earth’s diverse environments into biomes. A biome is a complex of terrestrial communities that develops a large area and is characterized by certain soil climate conditions and particular assemblages of plants and animals. Not all species live in every biome they vary in their adaptations to different conditions. An adaptation is an inherited characteristic that increases an organism’s ability to survive and reproduce. These sorts of variations in plants
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