Brandon Schmetterer 3-13-15 Biology labs DNA Extraction Lab DNA is extracted from humans for genetic testing‚ for body identification‚ and for analysis of forensic evidence. The first step of DNA extraction is to take cheek cells from the test subject. Next‚ the cells must be burst open in order to release DNA. Third‚ DNA is separated from protein and debris. Lastly‚ the DNA must be isolated. A buccal swab is necessary in order to collect the cheek cells .The micropipettes are used to add lysis
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Erin Hillman August 30‚ 2010/5th period Biology Bunsen Burner Introduction: One of the most efficient ways to heat materials is by a Bunsen Burner. Bunsen Burners are made in a variety of different shapes and sizes. Hypothesis: In this lab my class learned the most efficient and safest way to use a Bunsen Burner. Materials: The materials used were; safety goggles‚ safety apron‚ ring stand‚ Bunsen Burner‚ flame striker‚ gas‚ wire gauze‚ a beaker‚ beaker tongs and 100 mL of water.
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DNA Extraction Lab Purpose: To compare the amount of DNA extracted from two different species‚ despite using the same method. Hypothesis: I predict that the liver will produce a higher quantity of DNA than the strawberry. This is because I believe that animals have a higher DNA yield because our structure is more complex than a plant’s structure. Materials: -Sample of Strawberries -Zip lock bag -DNA extraction buffer -Cold ethanol -Glass rod -Double ply cheese cloth -Two test tubes
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The Effect of pH on the Rate of Enzyme Catalysis of Catalase Objectives: The objective of this lab was to develop a protocol to investigate the effect of an environmental variable on the catalytic function of an enzyme. More specifically‚ the objective was to perform an experiment in order to test the effect of pH on the function of the enzyme catalase. Introduction: Enzymes are proteins that act as catalysts for reactions. This simply means that enzymes lower the activation energy required
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GI Histology Pre-Lab questions Review the Lab manuals and answer the following questions. Most answers will come from careful reading of the lab manuals but if you must consult an outside source (internet‚ textbook) for the answers you must reference the source. All work is expected to be completed individually. Evidence of collaborative work and /or plagiarism will be considered academic dishonesty and punished as outlined previously. Answers are to be uploaded electronically in a word
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Write up—Hill Country Snack Foods Co. Hill Country Snack Foods Co‚ located in Austin‚ Texas‚ mainly manufactured‚ marketed‚ and distributed a variety of snacks. The company’s efficient operations‚ quality products‚ and comprehensive network of distribution promote stable growth and enduring success. Investors owe the achievement of Hill Country to Howard Keener，the company’s CEO for over fifteen years‚ who strongly believed that management’s job was to maximize shareholder value. Keener himself
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classroom assessment to support learning. However‚ the ‘accountability’ juggernaut was not for turning‚ even though the Blair dynasty’s clarion call of “Education! Education! Education!” had not yet begun to ring hollow. It was the day we decided to up the ante and make it our target to resurrect assessment by teachers‚ not to abandon testing‚ but to refocus assessment activities where they should be‚ on pupil learning. The King’s College pair had been long-term advocates of formative assessment
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Histology analysis There were five steps involved in histological preparation. Step 1: Dissection and tissues collection The testis tissues were cut with a sharp scalpel into slices of not more than 2-3 mm thick and 10 mm long. The fixation process was commenced immediately after removal of the tissue sample. The specimen tube was filled with 20 ml of 10% formalin. The tissue was placed inside the specimen tube. Step 2: Dehydration Dehydration process begins when the fixed tissues was
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1) Discuss the social identity issues present in the case Social Identity theory basically is a theory that explains self-concept (what a person thinks about themself and how they analyze themselves) to be a combination of personal identity – their unique characteristics and social identity – their membership in different social groups. There are numerous Social Identity issues in the case. Firstly‚ Catherine’s father is an accountant which is one of the factors that she chooses to be an accountant
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Kinesiology 303 Lab Vertical and Horizontal Power Lab Write up Introduction: Running and jumping competitions have taken place for centuries‚ dating as far back as the first Olympian games. These physical competitions measured individual’s prowess‚ but also competing for power to rule or show their masculinity. Today‚ in modern times‚ this is synonymous to individuals who are judged on their highest jump and fastest 40-yard dash time as part of the National Football League draft‚ which combine
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