Determination of presence of protein in a variety of food substances by the use of Biuret Reagent Biol. 1040 Section 1005 Introduction The human body consumes carbohydrates, lipids, and proteins each day by eating a variety of foods. These foods are required for energy and human growth. Proteins are a diverse group of macromolecules with many different functions (Mbuthia, 2012). Many are structural components of bone, muscle, hair, tissue, etc. Others are enzymes that speed up cellular
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Lauren Sullivan Plants Imperfections Abstract The purpose of this experiment was to plant different crosses and observe the different phenotypic ratios the plants present. The procedure of this experiment was plant six different crosses and water them correctly so that we could observe the different phenotypes and compare them to Mendel’s proposed ratios. Mendel, who had studied peas, did a similar experiment and came up with specific ratios that a monohybrid and dihybrid cross should show. His
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Answer Key for Seligram, Inc. page 1 1. What business decisions at Seligram does the cost system support? In this context, what caused the existing cost system at Seligram (ETO) to fail? In general, a cost system supports the pricing decisions of the firm. ETO’s existing cost system contains only one cost center (the entire facility). All overhead is collected into a single cost pool, and the total overhead cost is divided by the total number of direct labor dollars consumed to give a single direct
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Evolution Lab “Evolution by Natural Selection” The object of this experiment is to determine how changing the size of the beak of a finch will affect the population as well as the growth rate of the finch’s beak. The reason for the experiment is to evaluate evolution and how it affects the finch’s population, and how natural selection is always present in life. In this experiment I will show that the finch will continue to evolve until its beak has reached the optimal size for sustaining
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Table of Contents LIST OF FIGURES and CHARTS 1 EXPERIMENT 1: INFLUENCE LINE FOR DEFLECTION 2 1.1. INTORDUCTION 2 1.2. OBJECTIVES 2 1.3. EQUIPMENT NEEDED 2 1.4. PROCEDURE 3 1.5. RESULTS 4 1.6. ANALYSIS OF THE RESULTS 4 1.7. DISCUSSION 6 1.8. CONCLUSION 7 1.9. REFERENCES 7 LIST OF FIGURES and CHARTS Figure 1: Force diagram for influence line of deflection Figure 2: Set-up for influence line of deflection Chart 1: Deflection curves (0 N, 5 N, 10 N) Chart 2: Deflection curves (15
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Water Density Experiment: Why Does an Egg Float in Saltwater? Abstract The purpose of my experiment is to find out if an object, which would normally sink in tap water, would float when the water density is increased. The object I chose for my experiment is a raw egg. In the experiment, I changed the density of the tap water until I could make an egg float. The simplest way to change the density of water is by dissolving salt in it. I concluded that dissolving 4 teaspoons of salt in 250
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1) The experiment worked because when the plant cells and the human cells were viewed in the microscope, they took on differentiating forms, enabling visual differentiation of the two forms of cells. The onion skin cell, an example of a plant cell, generally has a rigid, rectangular shape. The onion skin cells were positioned beside each other (length touching length, width touching width) and formed a checkered pattern. When observing the onion skin cell, we noticed that the cells took on a brick-like
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Experiment 1 Preparation of Polymer Slime Introduction A solution of polyvinyl alcohol (PVA) can be made into a slime by adding borax solution, which create crosslinks between polymer chains. There are a number of uses of the PVA polymer: a) They may be used in sheets to make bags to act as containers for pre-measured soap you throw into a washing machine. b) Used as bags in hospitals to collect cotton cloth used in the operating rooms or to hold bed linen or clothing of infected patients
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Important Dates For Spring 2016 Externship December 21, 2015 Spring Break 2016 Externship registration begins February 21, 2016 Student Registration deadline (by 11:59 p.m.) February 29, 2016 Description of Externship Opportunities made available to registered students who have completed the required quiz via Externship Webcourse (ranking process). List will be posted no later than 12:01 a.m. March 3, 2016 Deadline to complete all required quizzes in Externship Webcourse (by
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Luis Martinez Mr.Kronk Honors Chemistry Bell 1 29 August 2015 Lakota West Lab Purpose The purpose of this lab is to identify physical and chemical changes and differentiate between the two. Procedure Procedure is found on the Physical and Chemical Changes lab at Lakota West lab. Use plastic pipets. On #4 change the experiment to mixing 5 mL of NaCl with 2-3 drops of silver nitrate. On #9 replace regular test tube with a disposable one. Omit the last experiment. Materials Disposable
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