Glucose ‚ Galactose and Lactose . Objective : To determine the relative solubility of glucose ‚ galactose and lactose by measuring their saturation point at the same constant temperature. Principle : With 10g distilled water contained in a beaker ‚ then add small quantities of the carbohydrate being test at a time with constant stirring until no more can dissolve ‚ saturation point is represented at r.t.p.. Test the carbohydrates ‚ glucose ‚ galactose and lactose ‚ relative solubility of
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people with lactose intolerance. Extensive research has been done on each of these subjects and the amount of research that was found against was the same amount as was for it. Lactose intolerant people are people that cannot digest foods with lactose in them. Lactose is a natural sugar that is found in milk or dairy products. People have said that when they switched from pasteurized milk to raw milk‚ they were able to eat foods with lactose in them. An argument for the cure of lactose by drinking
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Unknown Lab Report Unknown Organism #6 Ann Le (Phuoc) May 6‚ 2010 Dr. Carrington Microbiology Lab- MW 12:50 Le 1 I. Introduction My unknown organism #6 is Morganella morganii‚ which is a gram-negative bacillus rods commonly found in the environment and also in the intestinal tracts of humans‚ mammals‚ and reptiles as a normal flora. (3‚ 5) This bacterium Morganella morganii‚ was first discovered in the 1906 by a British bacteriologist named H. de R. Morgan. (2) Despite its wide
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The milk consumption of the Filipinos is 70‚000 MT in the year of 2011. In recent statistics‚ it shows that in Asian countries‚ most people either have lactose intolerance or milk allergy. Lactose intolerance is the inability to digest lactose‚ a sugar found in milk. This is caused by the lack of lactase‚ the enzyme required to breakdown lactose in the digestive system. Milk allergy is an adverse immune reaction to one or more of the constituents of milk from any animal‚ most commonly “alpha S1-casein”
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certain resource is available. When glucose is present the cell has certain enzymes to help in glycolysis. When glucose is absent and lactose is present the cell needs specific enzymes to deal with lactose. Gene regulation makes sure that lactose genes and enzymes aren’t being produced if lactose is absent and there is no need for the enzymes. (Klug‚ 2012) The lactose enzymes are all located together on a gene. The regulatory regions of the gene are located upstream; it includes the promoter and operator
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breaks down glucose to form viable ATP‚ oxygen gas is consumed and carbon dioxide is produced. This lab focuses on studying the rate of cellular respiration of saccharomyces cerevisiae‚ baker’s yeast‚ in an aerobic environment with glucose‚ sucrose‚ lactose‚ artificial sweetener‚ and water as a negative control. A CO2 Gas Sensor Probe is used to measure the amount carbon dioxide produced as the cellular respiration occurs which is proportional to how much of the molecule is decomposed. For this experiment
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of its similarities. 2. Maltose most likely acts as a competitive inhibitor to lactose because lactose is broken down by lactase at a much quicker rate without the presence of maltose. This shows that when maltose is present lactose is not being broken down quite as quickly meaning that it is an inhibitor to lactose. The reason for which
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and a bubble in the Durham tube indicates that a gas was formed. In this study‚ carbohydrate fermentation tests for the presence of glucose‚ maltose‚ lactose‚ and sucrose in Proteus Vulgaris were performed. The results were then compared to the results of prior experiments. Materials and Methods: Four tubed broths (Glucose‚ Maltose‚ Lactose‚ and Sucrose) are obtained. The tubes were inoculated with Proteus Vulgaris‚ and were incubated for 24 hours at 35°C. After incubation‚ tubes were
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remaining‚ and similar addition of starch to a 1.0% level resulted in about 40% of the activity remaining at 120 minutes.[6]increased absorption of intact lactose‚ which in turn has a toxic effect on the whole organism‚ especially the kidneys. At present it appears best to separate the puzzling syndrome described by Durand from that of “benign” lactose in- tolerance described by Holzel and to regard Durand’s syndrome as a seperate entity rather than a more severe form of Holzel’s entity. Congenital sucrose
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Mark Wells‚ is appropriate for him. Mark is lactose intolerant. But in the diet plan he is still getting him his 5 a day‚ this is throughout the food‚ drinks and sauces. It is also providing him with he daily dietary needs of protein‚ vitamins and minerals and fats and oils. But this diet plan will not cause Mark to have any alergic reactions‚ because the diet plan contains no lactose. As well as providing him with his nutrional needs. If Mark had any lactose he could have any of these affects neasua
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