In the 5000m race the runner must use all 3 energy systems ‚ which are ATP‚ aerobic and lactic acid systems to succeed as the race has different areas needed for their use‚ all 3 energy systems contribute regardless of the intensity or duration of the exercise. When the athlete comes to the starting line he/she most probably will want to make a dashing start to the race to tactically get a good starting position‚ so must get off the line‚ in the first 40-50m‚ as hard as he or she can. By getting
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SYNTHESIS OF ESTERS USING GREEN AND NON-GREEN CHEMISTRY Abstract Esters are a class of organic compounds with the general formula RCOOR’. Ester also contributes the flavor and aromas in fruits and flowers. The esterification reactions will use in the procedure‚ which are the interaction of a carboxylic acid with an alcohol‚ aided by an inorganic acid catalyst (H2SO4). Moreover‚ the green method will not use any catalyst but using heating source instead (microwave). Based on the comparison of
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Identifying food groups in unknown solutions Aim The aim of this experiment is to identify different food groups within several different unknown solutions. This will be carried out by placing the unknown solutions into separate test tubes and using different chemical indicators to see if any reactions occur. Each food group will act different when the chemical indicator is added‚ some will change colour while others will separate. Introduction Food is a vital source of energy that is needed
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every aspect of our lives. As a result‚ business in technology area seems very enticing for most people as they can potentially generate a lot of profit from this field. Hence‚ more and more people start to invest in it. However‚ as people are getting indulged in profit maximisation‚ problems concerning ethics and societal welfare start to arise from technology. Some argue that the usage of technology only for financial benefit is acceptable because such benefit can be redistributed to the less privileged
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Digestion of lipid does not occur in the mouth and stomach because enzymes that would aid the digestion are not present there. The major organ for the digestion of lipids in the small intestine because the pancreas is the primary source of lipid-digesting enzymes (lipase). For the body to digest the fat molecules in the food‚ a process must occur‚ and it is called “Emulsification (ability to mix with water).” This
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Problem Set - Small Molecules (Campbell Chapters 2 and 3) 1. What are the SPONCH elements and what is common among these elements that make them suitable for life? State the four most frequently occurring of the SPONCH elements. Which of the SPONCH elements is found in each of the large biomolecules (carbohydrates‚ proteins‚ lipids‚ nucleic acids). The SPONCH elements are Sulfur‚ Phosphorus‚ Oxygen‚ Nitrogen‚ Carbon and Hydrogen. These are the five key elements that compose living
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Muscle Metabolism To complete this worksheet‚ select: Module: Support and Movement Activity: Animations Title: Muscle Metabolism Introduction 1. How do muscle cells use ATP? 2. Describe ATP hydrolysis and explain its significance to muscle cells. 3. How is ATP regenerated? 4. Summarize the role of ATP with regard to the following myosin head activities. a. energizing b. detaching Energy Sources 5.
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Cell Energy SCI/230 9/28/12 Associate Program Material Cell Energy Worksheet Answer the following questions: * Cellular respiration: * What is cellular respiration and what are its three stages? * * Cellular respiration is the multi-step process in which oxygen is transformed within cells * producing carbon dioxide‚ the process purpose is transforming fuel intake into energy for cells. The three stages are glycolysis‚ citric acid cycle‚ and oxidative phosphorylation
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Introduction: The purpose of this lab was to learn how to use salicylic acid to make aspirin. Aspirin is the most widely used over-the-counter drug in the world. The average tablet contains about 325 milligrams of acetylsalicylic acid with an inert binding material such as starch. Aspirin is used to relieve pain‚ reduce inflammation‚ and lower fever. Aspirin originally was derived by boiling the bark of the white willow tree. Although the salicin in willow bark has analgesic properties‚ purified
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catalyst. A catalyst is a chemical that increases the reaction rate of a chemical reaction (catalyse)‚ and the chemical reaction involves enzymes. So to understand how bleach works‚ we first understand how enzymes work. Enzymes Enzymes are the most important thing in our lives‚ it makes the world go ‘round! Enzymes are proteins that acts as catalysts and help combine or break down hydrogen peroxide. Imagine a pen with ink inside it‚ when you write‚ ink comes out‚ right? You can draw‚ you can
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