Adeoti Taylor Chem2583 Organic Chemistry Laboratory Class ID:8622098 Organic Lab 2 2583-04 Instructor: Andy Szalkiewicz 9/30/2014 Recrystallization Objective/Abstract: The purpose of this lab is to purify solids contaminated by relatively small amount of impurities by a technique called Recrystallization. Compounds that have different solubility at different temperature usually can be recrystallized. Formulas and Structures: Benzoic Acid Methanol Percent Recovery: Indicates how much of the
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Review Sheet Exercise 12 Serological Testing NAME Kali Rothfuss LAB DATE/TIME 6/22/11 Positive and Negative Controls 1. Why are there a number of washing steps in serological tests? The are a number of steps needed in order to remove any non specific binding that may have occurred. 2. Describe how you would know that you had a “false positive” result. What does this mean for the rest of your results? A positive result with a negative control indicates a “false positive”
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Describe the physiology of the cardiovascular system in relation to energy. A.T.P is stored‚ chemical energy in the cell‚ without A.T.P we would die. To make A.T.P we need glucose oxygen. Carbon dioxide and heat are the waste products. The main function of the cardiovascular system in relation to energy is to transport the oxygen and glucose to the cells‚ and to transport the waste products such as carbon dioxide and urea (waste product from protein digestion) away from the cells and to the lungs
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EXERCISE 27 Functional Anatomy of the Endocrine Glands Gross Anatomy and Basic Function of the Endocrine Glands 1. Both the endocrine and nervous systems are major regulating systems of the body; however‚ the nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. Briefly explain this comparison. The nervous system is a lot more fast acting and more rapid action occurs when compaired to the endocrine and the slow path through the blood stream
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Activity 2: Comparing Samples with Ouchterlony Double Diffusion Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. When two antigens are identical their precipitin lines form You correctly answered: c. an arc 2. Antigen and antibody move toward each other because of You correctly answered: b. diffusion 3. If two antigens form a spur‚ they You correctly answered: d. have partial identity 4. The Ouchterlony test relies on the formation of a(n) You correctly
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Colleen Doyle Lab report 4 Gender Roles John Tucker Must Die John Tucker Must Die is a movie about the classic stereotypical male athlete in high school. John Tucker is the star basketball player who is sexy‚ talented and good with his words. Every girl in high school wants to date John Tucker. With his reputation‚ John dates 3 girls at once. He dates such stereotypical girls including the cheerleader‚ the “slut”‚ and the smarty-pants. Because of his name‚ he gets away this. But‚ all of this
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Shannon Green Unit 7 Anatomy and physiology for health and social care Task 5(M3) describe the routine care for each malfunction Task 5 (D2) explain how the routine care given for each malfunction affects the body system Bronchitis Smoking The person needs to stop smoking because cigarette damages the tiny hair structures in the lungs called the cilia‚ they the person continues to smoke the damage will stop the cilia from functioning properly and will increase the chances of condition
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to perform authorized transactions. If you are on a bad site such as a bad movie upload page or a smut website the hacker can use that to pass false authorization. 3. What is the proper way to prevent XSS attack? The first rule is to deny all 4. If an attacker wishes to place a phishing page on a website‚ what is a common vulnerability that can be exploited to successfully do this? Criminals often use social engineering along with vulnerabilities in applications such as web browsers or email
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YAWNING Physiology‚ Theories and Contagiousness First‚ let’s look at what this bodily motion is: Yawning is an involuntary action that causes us to open our mouths wide and breathe in deeply. We know it’s involuntary because we do it even before we’re born: According to Robert Provine‚ a developmental neuroscientist at the University of Maryland‚ Baltimore County‚ research has shown that 11-week-old fetuses yawn. And while yawning is commonly associated with relaxation and drowsiness‚ your heart
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Ashley Black The Integumentary System Exercise 1: Structures of the Skin Fill in the names of the numbered structures in the diagram in the table below the picture. 1 Hair Shaft|7 Hypodermis| 2 Arrector pilli muscle|8 Dermis| 3 Sebaceous(oil) gland|9 Epidermis| 4 Hair follicle|10 Subpapillary vascular plexus| 5 Eccrine sweat gland|11 Dermal papillae| 6 Hair follicle receptor(root hair plexus)|12 Pore| QUESTIONS: A. How does the skin tan when exposed to ultraviolet
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