Preparation of an Ester Acetylsalicylic Acid (Aspirin) OBJECTIVE: To become familiar with the techniques and principle of esterification. DISCUSSION: Aspirin is a drug widely used as an antipyretic agent (to reduce fever)‚ as an analgesic agent (to reduce pain)‚ and/or as an anti-inflammatory agent (to reduce redness‚ heat or swelling in tissues). Chemically‚ aspirin is an ester. Esters are the products of reaction of acids with alcohols‚ as shown in the following equation using
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Bio Lab Report In part II of the Organic Compounds in Foods lab‚ we to examining whether or not the starch in the saltine cracker can chemically break down in sugar with the presence of salivary amylase‚ which is an enzyme found in your mouth which assists in digestion. My group and I were instructed to obtain a saltine cracker from our teacher and chew on it for approximately 2 minutes. After concluding the chewing‚ we then grabbed a beaker and spit our slimy and chewed cracker into it. Subsequently
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An electronic medical record (EMR) is a digital version of a paper chart that contains all of a patient’s medical history from one practice. An EMR is mostly used by providers for diagnosis and treatment. Benefits of Electronic Medical Records An EMR is more beneficial than paper records because it allows providers to: * Track data over time * Identify patients who are due for preventive visits and screenings * Monitor how patients measure up to certain parameters‚ such as vaccinations
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1. Using figure 4 only‚ comment on the characteristics on the urban landscape shown. Suggest how it could be improved. (7 marks) Using figure 4‚ it would appear that densely built shacks – which also appear poor quality - are evidence of shanty town development. Because this area appears so tightly built together (and therefore isolated from the rest of the city)‚ as shown in the bottom of the photograph‚ it will likely have contributed issues such as poor sanitation – whilst also suffered from
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Beautiful Day There is this place just a few blocks away from my house where I like to go to get away. It’s called The Rock in Pawnee Rock. Early in the morning it can be so peaceful and quiet with beautiful wet dew still on the grass. As the sun comes up you see the colors surrounding the bright sky. Nothing more radiant as the sun on a bright morning. As I look around I can see every house in this small town‚ plus the long stretch of highway from great bend to larned. You see cars buzzing by on
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God created everything out of nothing. He created the world and we are part of this creaton. We are created through his image and likeness. You cannot say that man is only a neither baby nor soul. These two elements constitute a man. One may exist without the other element but with a meaningless life. We must be grateful that we had these two elements. Although we have these two elements‚ we can’t say that we can survive or live alone. As the saying‚ “No man is an island”‚ God has given us life for
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Virtual Lab Unit 3 1. Briefly describe the steps required to aseptically transfer bacteria from an unknown to a tube of liquid broth. You might have to research this using the "T" button (Tell Me More About...) To aseptically transfer bacteria from an unknown to a tube of liquid broth you have to flame the loop or wire before you begin to sterilize it. You then remove the caps from the tubes and flame the mouths of the tubes to prevent air-borne contamination. When all this is done‚ you have to
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osmoregulation and excretion of both invertebrates and vertebrates. 1. Osmoregulation Experiment Phascolosoma lurca (Phylum Sipuncula) and Uca coarctata‚ fiddler crab (Subphylum Crustacea) occur throughout the year in the mudflats of Suva Points‚ Nasese‚ and generally around all river mouths and in the mudflats throughout Fiji. In these environments the water salinity can vary dramatically from time to time. Salinity can be close to freshwater (low salinity) after heavy rains‚ especially
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Nick Sarris‚ April 3‚ 2013‚ D-Bell Biology Virtual Electrophoresis Lab – Genetic Science Learning Center Use the link to complete the following lab. Submit through edline when you are finished http://learn.genetics.utah.edu/units/biotech/gel/ Title‚ name‚ date and bell (8 pts) Place your answer below the question and skip between questions (2 pts) Each question is worth 3 points 1. Why can’t DNA be sorted physically‚ using a microscope?- They are so tiny that they are unable to be
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Unit 2 Home Labs Goals: • Read Safety • Perform Changes: Physical or Chemical Lab • Perform Special Physical Properties of Matter Lab • Perform Paper Chromatography Lab Turn-in: 1) Changes: Physical or Chemical Lab - Completed Procedure / Observations‚ questions‚ and a written description of most important concept that you learned in the discussion section. 2) Special Physical Properties of Matter Lab – Completed Procedure / Observations‚ questions‚ and
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