amino acids are all attached to a central carbon called an alpha carbon. Through a process called dehydration reaction‚ amino acids are able to bond to each other to form polypeptides. For dehydration reaction to occur‚ the carboxyl group of one amino acid must be adjacent to the amino group of another. When they are adjacent to one another‚ an enzyme can cause them to join by catalyzing dehydration reaction. This same process repeated over and over again will yield a polypeptide‚ the polymers of
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Good evening I am SrA Timothy Clemens; and I am here to talk to you about hydration. Are you currently thirsty? If so then you could already be in the first stage of dehydration. That’s right; according to livestrong.com the first symptom of dehydration is thirst or being thirsty. Have you ever heard of the rule; drink eight 8 ounce glasses of water a day? Well there is no more rule about how many glasses of water you should drink throughout the day though it is suggested that you drink between
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Discussion The dehydration of an alcohol to an alkene follows a two step elimination reaction. The first step is determines the rate of the reaction and is dependent on the formation of the carbocation. In this experiment‚ the carbocation intermediate forms as the alcoholic hydroxyl group is protonated with acid‚ and dihydrogen oxide leaves. After this unimolecular dissociation step‚ a proton from one of the adjacent carbons is captured to reform the acid catalyst‚ and the elimination reaction is
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This lab will allows the comparison between elimination reactions under acidic and basic conditions through an analysis of two separate reactions: an acid-catalyzed dehydration of 1-butanol and 2-butanol using sulfuric acid and a dehydrobromination under basic conditions using potassium tert-butoxide of 1-bromobutane and 2-bromobutane. The products of all four reactions will be analyzed with gas chromatography‚ which separates organic compounds to see how each reaction’s product are formed under
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Monomer polysaccharide glycerol‚ fatty acid protein nucleic acid BIOCHEMISTRY WEBQUEST Name: CARBOHYDRATES Link: http://www2.nl.edu/jste/carbohyd.htm#dehydration%20synthesis List the three main groups of carbohydrates and give an example of each Play the animation of dehydration synthesis. What two monosaccarides did you start with? What disaccharide was produced? What molecule was synthesized as a bi-product? Four types of polysaccarides
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hyperglycemia‚ ketosis‚ and metabolic acidosis. The inadequate amount of insulin causes glucose to accumulate in the blood‚ resulting in hyperglycemia. Osmotic diuresis results from amino acids being converted to urea and glucose. The diuresis causes dehydration and substantial electrolyte
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Campbell’s Biology‚ 9e (Reece et al.) Chapter 5 The Structure and Function of Large Biological Molecules In Chapter 5‚ the principles of chemistry covered in earlier chapters are applied to the understanding of biological polymers and lipid membranes. The emphasis is on properly linking monomers and their polymers‚ and on the structural and functional diversity of the different polymer types. Particular attention is given to protein structure‚ because this is central to understanding subsequent
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Urinary System: Anatomy Review 1. Name the organs in the urinary system: 1. 2 kidneys 2. 2 ureters 3. bladder 4. uethra 2. The kidneys are retroperitoneal (behind the peritoneum)‚ lying against the dorsal body wall in the upper abdomen. 3. The adrenal gland sits atop the kidneys. Blood vessels enter and leave the kidney at the renal cortex. 4. The functional units of the kidney are the nephrons. They are called renal pyramids if they are located mainly in the cortex. They are called renal
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to extend the use of aloe vera gel. Further research needs to be done to unravel the myth surrounding the biological activity and the exploitation of aloe constituents. Key words: Cold process‚ Qmatrix process‚ whole leaf process‚ desiccant air dehydration‚ time temperature‚ sanitation process INTRODUCTION Aloe vera (Aloe barbadensis Miller) is a perennial plant of liliacea family with turgid green leaves joined at the stem in a rosette pattern. Aloe vera leaves are formed by a thick epidermis (skin)
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examples of disturbances in water homeostasis. Indicate if there is an increase (↑)‚ decrease (↓)‚ or no change (↔) in volume and osmolarity. Give an example of each. Disturbance Volume Osmolarity Example Hypervolemia Hypovolemia Overhydration Dehydration 2. What are the four primary mechanisms to regulate fluid homeostasis? a. b. c. d. 3. Answer the following questions on antidiuretic hormone (ADH): a. What is the major stimulus? _______________________ b. What is the direct effect of the
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