Lactase

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    Lactase Lab Report

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    Effects of Different pH Solutions on Lactase. Caitlin Hathaway, 2016, Functional Biology, Texas State University, San Marcos, TX, 78666. Enzymes work at different rates in different environments. We investigated the relationship between pH levels and the ability for the lactase enzyme to catalyze reactions. Lactase was added to different levels of pH with substrate and their subsequent rates of catalysis were measured. Out of the four samples, the experiment showed that the lactase was most efficient in pH 8, the least in pH 2 and 4, and was rather efficient in pH 10. We concluded that pH does have an effect on the efficiency of which an enzyme can catalyze substrates. Enzymes are one of the most important things in our bodies, catalyzing…

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    m 20 March 2015 Hypolactasia Lactose intolerance, also known as hypolactasia, has become a huge epidemic over the years. This is a result of a genetically determined decline in the activity of lactase that begins in early childhood. Many people have suffered from this inability to digest lactose, which is found in milk and other dairy products. People who are lactose intolerant only have symptoms occur when they have dairy/milk products. These symptoms include bloating, cramps in the lower…

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    Lactase Lab

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    Introduction: Lactase is an enzyme that helps to digest lactose, a sugar found in many dairy products (U.S National Library of Medicine 2013). This enzyme is made through instructions provided by the LCT gene. Lactase is primarily produced and found in the cells that line the walls of the small intestine. At the brush border, an area where microvilli absorb nutrients from food as it passes by, lactose breaks down lactose into simpler sugars like glucose through a hydrolysis reaction (Biology…

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    Monosaccharide Lab Report

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    In this case, we added the lactase solution (independent variable) to milk. The dependent variable of this experiment was milk. In this case, the amount of glucose produced in the milk (dependent variable) was measured. The constants of this experiment were the amounts of liquids (10 mL of milk and 1 mL of lactase), time to break down before testing (6 minutes), temperature, and type of container (test tube). The purpose of the experiment was to test the effect of the enzyme lactase on the milk…

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    Enzyme Lab Report

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    Lactose is a sugar found in milk and milk products. Lactase Is an enzyme found in the small intestine that breaks down lactose into simple sugars such as glucose. The substrate has to fight to bind with the enzyme lactase. The inhibitor tries to attach to the lactase and slow down the chemical reaction while the substrate does the opposite. The substrate increases the rate of the chemical reaction, this chemical reaction breaks down the lactose into sugars. This chemical reaction is imperative…

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    not an acidic environment with pH of 2. Lactase is a great example of this. Lactase is the enzyme that catabolizes (breaks down) the sugar lactose (a disaccharide) into the two monosaccharides, galactose and glucose. Lactase is mostly found in the small intestine, where the pH is around 7. Therefore it is reasonable to hypothesize that human lactase is optimally active at 37 ˚C and at a pH of…

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    polymorphisms in the human lactase phlorizin-hydrolase gene have been associated with the ability of certain individuals to constantly digest milk products. These mutations in the lactase gene lead to constitutive expression of lactase, which is then used to break disaccharide lactose into glucose and galactose constantly throughout adulthood as lactase persistence. In particular, past research has shown that some individuals of the African and European descent have been found to have single…

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    Lactose Research Paper

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    Lactose is a disaccharide sugar and it’s mainly found in dairy products. It’s made up of glucose and galactose. The enzyme lactase breaks down the carbohydrate lactose. Lactase is produced by cells in the small bowel. If lactase is nonexistent or lacking, lactose intolerance occurs. There are ways to classify people with lactase and without lactase. People with are called lactase persistent (LP) and without are called lactase non-persistent (LNP). There are many types of lactose intolerances.…

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    Lactose Intolerance

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    Between thirty to fifty million Americans are considered to be lactose intolerant. Lactose intolerance is a common chronic digestive disorder in which a person’s intestinal tract lacks the ability to make lactase. It results from a drop in or disruption of the production of lactase in the small intestine. The small intestine is a primary part of the digestive system, and is the longest part of the gastrointestinal tract and makes up about three quarters of the digestive system. It is a hollow…

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    misconception that lactose intolerance is that it is just a diary intolerance. A lactose intolerance is the body’s inability to break down the sugar or lactose commonly found in dairy products. When someone is affected by lactose intolerance, all it means is that the patient's small intestine isn’t or stops making enough enzyme lactase to digest the lactose properly, the lactase then makes its way to the large intestine. The bacteria found in the large intestine interact with the lactose and has…

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