Lactose Essays

Introduction: Lactose intolerance is a condition concerned with the inability of the small intestine to produce sufficient quantities of the lactase enzyme in order to digest lactose (1). Approximately two thirds of the world’s population is affected by this inability and it is often one of the most prevalent gastrointestinal disorders diagnosed by primary care physicians (2, 3). When a person suffering from lactase deficiency consumes lactose in their food, their body is unable to process and absorb

easily be used for energy. However, enzymes are very specific and only react to certain substrates, as shown by part A of this lab, where glucose trinder was exposed to glucose, galactose, mannose, and lactose, but only reacted with glucose. To show how pH can have an effect on enzymatic reactions, lactose was exposed to lactase at different pH 's, the data showed that the reactions occurred more easily at the more neutral pH 's (closer to a pH of 7). Background: Macromolecules are organic molecules

Introduction 1.1 Aim: To determine the kinetic parameters, Vmax and Km, of the alkaline phosphatase enzyme through the determination of the optimum pH and temperature. 1.2 Theory and Principles (General Background): Enzymes are highly specific protein catalysts that are utilised in chemical reactions in biological systems.1 Enzymes, being catalysts, decrease the activation energy required to convert substrates to products. They do this by attaching to the substrate to form an intermediate; the

been Lactase Persistence and Lactase Non-Persistence. Specifically, we have learned that while most individual of adult age are Lactase Non-Persistent, there are individuals who have a genetic mutation that leaves them with the ability to digest lactose into adulthood. The mutation that causes Lactase Persistence is known as a single nucleotide polymorphism (or SNP). This kind of mutation involves a single letter/base of the genetic code. The area that this mutation can be observed in is the enhancer

Do you observed you may have lactose intolerance, or do a person who does? in that case, you are likely getting advice from a extensive variety of humans on what you should and shouldn 't be ingesting. sadly, there may be a massive amount of misinformation about lactose intolerance. the following commonplace questions and solutions about lactose intolerance will assist you separate the parable from fact. what is Lactose Intolerance? Lactose intolerance refers to digestive disturbances resulting

A disaccharide sugar is a sugar that is composed into two monosaccharides. In this type of sugar there are lactose, sucrose, and sucrose sugars that are included or have it.On the other hand there is also Polysaccharides. “Polysaccharides are polymeric carbohydrates molecules composed of long chains of monosaccharide units that are bonded together by glycosidic linkages and on hydrolysis give the constituent monosaccharides or oligosaccharides” according to Google. These are types of sugar categories

Cell Respiration Lab Research Question What is the optimal temperature for germinating pea-seeds where the rate of respiration is the greatest? Background Information Cell Respiration refers to the biochemical process conducted by the cells of an organism that combines glucose and oxygen to produce energy in the form of ATP, along with two by-products, water and carbon dioxide. The equation representing this chemical reaction is shown below. C6H12O6 + 6 O2 6 CO2 + 6 H2O + ATP Although plants and

The Citric Acid Cycle/ Kerbs Cycle/ TCA The Citric acid cycle is important as anaerobic glycolysis can only harvest a fraction of the energy from glucose. In the citric acid cycle there is aerobic respiration of pyruvate from step ten in glycolysis to C02 and H2O. This oxidation of pyruvate can greater a higher yield of ATP. The citric acid cycle occurs in the mitochondria where ten ATP is produced. The main purpose of the citric acid cycle is to harvest electrons from the citric acid cycle and

Lactose intolerance, also known as milk intolerance, is the inability to fully digest the sugar, lactose, in milk. There are more than three million cases in the U.S. per year. As a result, they have diarrhea, gas and bloating after eating or drinking dairy products. A deficiency of lactase, an enzyme produced in your small intestine, is usually responsible for lactose intolerance. Many people claim to be lactose intolerant. That select amount of people, who have not been diagnosed with lactose intolerance

assignment will be run through plagiarism detection software. 1. (4pts) Lactose Intolerance: Explain what is meant by lactose intolerance. What is happening physiologically? What are the unpleasant side effects that occur if you consume dairy when you have lactose intolerance? Explain how the large intestine is involved. What would you recommend to someone who has mild lactose intolerance? Severe? Lactose intolerance is when a person cannot consume lactase or dairy products. When they

to its incubation time. However, the trials for lactose showed no signs of gas production. As shown in Figure 4, glucose had produced the most gas per minute with an average respiration rate of 6.4 mL/min, while lactose produced a negligible amount of gas of 2.6 mL/min, compared to maltose with an average respiration rate of 5.2 mL/min. Figure 1, 2, and 3 shows the slope of the line of best fit, which describes the cellular respiration. Lactose not only had the lowest average

How to Handle Lactose Intolerance - 18 Home Remedies 1. Apple cider vinegar People who find themselves intolerant to lactose may start using apple cider vinegar. It improves the digestion incredibly and neutralizes the acids present in the stomach. Take a tablespoon of it along with a glass filled with water once every day for several weeks. Apple cider vinegar is specifically helpful during the initial stages. 2. Kefir Kefir is a probiotic that may have a beneficial action on the digestive system

Have you ever wondered what living objects were made up off? How food is digested? No not by cells, but those catalysts that break down substances. They are called enzymes. Enzymes are biological molecules, proteins, which act as catalysts and help complicated reactions occur everywhere in life. Enzymes are very precise catalysts that usually work to complete one assignment. Example being; an enzyme that helps digest proteins will not be useful to break down carbohydrates. Also, you will not find

impact on what we have today. I know this because of three foods. Millet, yogurt, and noodles. Millet because it persuaded early people to become farmers/settlers instead of leading a nomadic life. Yogurt because it was a revolutionary food that lactose intolerant people could eat. My final food is noodles, the noodles didn’t really save lives. However, they did lead to a big discovery. These are the reasons ancient food is important.

Bio: The following artifacts are from the Biology classes that I have taken at Central Washington University (CWU): The Lactose and lactase lab report is an investigation on how gastric acidity and temperature affect the effectiveness of a commercially available lactase product. The genetics exam demonstrates my knowledge about inheritance as the result of sexual reproduction. The photosynthesis and cellular respiration document demonstrates my understanding about the chemical processes that take

Ringworm is one of skin disease that is easily transmitted and affect the skin in general. Even some parts of the skin including the skin of the body, part of the nail and the skin of the head can be affected by ringworm. For all this skin disease certainly will lose confidence and also the impact of a very serious skin problems. What if ringworm is already attacking parts of the scalp that are difficult to cure. Ringworm diseases generally can be cured with regular ointment type sold in pharmacies

What is the impact of utilizing immobilized enzymes in the lactose industry? Introduction Enzymes are protein molecules that act as catalysts (they speed up chemical reactions) in living organisms. Enzymes are specified, however, they are not permanently specified- they do not change from reactions, which allows them to be reused. Despite the fact that they can be reused, if enzymes are in a solution with their reactants, it is difficult to separate them. Without enzymes, the chemical reactions

growth in a lactose medium and whether different concentrations of each of the strains would produce different results. We hypothesized that a higher mutation rate would result in more lactose digestion among the E. Coli cultures and that a higher concentration of either strain would produce more lactose digesting cells, and normal unmutated cells as well. As previously predicted, the results below show that the greater the plated concentration of E. Coli, the more mutated lactose digesting cells

agents, antibiotic and glucose adding on to inducing of β-galactosidase in E.coli. The β-galactosidase is normally switched off in E.coli except in the presence of lactose; the enzyme β-galactosidase breaks down lactose into galactose and glucose. (Matthews 2005). The lac operon or lactose operon is essential for the transportation of lactose in E.coli. In the lac operon three structural genes, z, y and a genes, are transcribed into an mRNA molecule that synthesizes 3 proteins. The lac I gene is a protein

columbia.edu, lactose intolerance is when the body “lacks the enzyme to digest lactose”, and the small intestine of the body doesn’t process and absorb the lactose, but instead passes it down to the colon. When a person that is lactose intolerant drinks milk, the body body can’t digest it so, it causes bloating, gas, and diarrhea. Another source, from kqed.org, tells us that “75% of the world’s adult population is intolerant to lactose.” This large amount of people who cannot digest lactose would believe