(polymers) are made of smaller subunits (monomers). The bonds between these subunits are formed by dehydration synthesis. This process requires energy; a molecule of water is removed (dehydration) and a covalent bond is formed between the subunits (Fig 1). Breaking this bond is called hydrolysis; it requires the addition of a water molecule and releases energy. Figure 1. Dehydration synthesis and hydrolysis of a polymer. Each class of these macromolecules has different structures
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different atom. • Macromolecule: a giant molecule formed by the joining of smaller molecules‚ usually by a dehydration reaction. Polysaccharides‚ proteins‚ and nucleic acids are macromolecules. • Polymer: a long molecule consisting of many similar or identical monomers linked together by covalent bonds. • Monomer: the subunit that serves as the building block of a polymer. • Condensation (dehydration) reaction: a chemical reaction in which two molecules become covalently bonded to each other with the
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diagnose the problem (Nursing). The patient could be suffering from dehydration‚ peripheral vascular disease‚ hypothermia and shock Capillary refill is primarily used in assessment of pediatrics patient. When combining the lack of capillary refill the dry mucous membrane it could lead to diagnose of dehydration. It is in concurrence with skin assessment to the hand that appears cold to touch; the infant is diagnosed with dehydration. In conjunction with infant when an adult is tested and results are
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Alkenes by Elimination Kyle Peterson Chem. 243a Matt Judd‚ Sec. 25 Date Performed: 11/12/03 Abstract: The objective of this experiment is to successfully perform a dehydration of a 2-butanol and a dehydrohalogenation of 2-bromobutane to form the products 1-butene‚ trans-2-butene‚ and cis-2-butene. It was found that a dehydration of 2-butanol yielded 4.6% 1-butene‚ 67.3% trans-2-butene‚ and 28.1% cis-2-butene‚ and a dehydrohalogenation of 2-bromobutane yielded 19.1% 1-butene‚ 69.9% trans-2-butene
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drinks due to the fact that most of the sports drinks have rather similar ingredients. The major reason anyone drinks fluid before‚ during and after physical activity is to replace the water that is lost through sweat. If the water isn’t replaced dehydration will occur and performance will be hampered. The purpose of Gatorade and other sports drinks is to help rehydrate your body quickly and help improve performance and productivity. This is accomplished through a well balanced mix of water‚ sugar (carbohydrates)
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in the hospital. When a first time mom discharge from the hospital with her infant‚ it is really important that the nurse provides sufficient information on how to care for her new baby. New mom needs to know if her baby is having a fever‚ cold‚ dehydration‚ ear infection‚ and jaundice. Newborn’s normal temperature should be between 97.6 F and 99.6 F. if mom suspects the baby has a fever‚ take his temperature with digital thermometer‚ and call the pediatrician if the reading is above 100.0 F. When
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Food Processing Throughout the history of mankind science has searched into the realms of the unknown. Along with it bringing new discoveries‚ allowing for our lives to become healthier‚ more efficient‚ safer‚ and at the same time‚ possibly more dangerous. Among the forces driving scientists into these many experiments‚ is the desire to preserve the one fuel that keeps our lives going; FOOD. As early as the beginning of the 19th century‚ major breakthroughs in food preservation had begun. Soldiers
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functioning. Water is involved in every function of the body. It transports nutrients and waste products and is necessary for digestive‚ absorption‚ circulatory and excretory functions. Water also maintains proper body temperature and prevents dehydration. There are over twenty minerals needed in dietary intake to maintain health. Minerals are broken down into two categories; macrominerals and microminerals. Macrominerals are considered major minerals and include sodium‚ potassium‚ chloride‚ calcium
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ability of the urethra to prevent movement of bacteria from the external environment into the urinary tract and maybe responsible for an increased opportunity for infection. The second most important factor is the dehydration that is likely related to the decrease in fluid intake. With dehydration‚ you will have decreased urinary output‚ concentration of urine‚ and increased opportunity for the bacteria to attach to the urinary tract walls. 2. What normal innate host defense mechanisms were ineffective
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Common Childhood Diseases 1.1 Introduction Children are more prone to diseases. They catch disease easily and recover fast too. You must learn to protect your children from diseases and also from many other problems which can be prevented‚ if you care a little. In this lesson‚ you will learn about some diseases which are more likely to affect a child in the first few years of life. 1.2 Objectives explain the importance of immunisation for children; give the immunisation schedule for
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