lactase-phlorizin hydrolase‚ Lactase helps to break down lactose‚ a disaccharide‚ into the monosaccharaides glucose and galactose by hydrolysis. A lock and key diagram below shows how the substrate‚ lactose‚ reacts with the active site‚ lactase‚ to form products‚ glucose and galactose. The diagram below also outlines how enzymes such as lactase are specific. During the early stages of a human’s life‚ lactase is particularly abundant. Lactose is present is milk and other dairy products; it gives milk
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Biology 121 lab 1 report Physical activity and heart rate Name : WEIYI CHEN Partners: COURTNEY JUANES SHEENA Data of experiment: 2014-‐8-‐29
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minutes. When you get this test tube later‚ you must use a test tube holder to pick it up. It will be hot! 3. Measure 15 ml of milk and pour it into your small beaker. Use labeling tape to label the beaker: “Milk.” Remember‚ milk contains the sugar lactose. 4. Prepare a sucrose solution by dissolving a spoonful of sucrose in 100 ml of water in your 3rd beaker. Use labeling tape to label the beaker: “Sucrose Solution.” PREPARING TEST TUBES 1. Use labeling tape to label one test tube: “A-Milk
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Lactase is an enzyme that splits up the disaccharide lactose into monosaccharides glucose and galactose‚ but its function diminishes with age resulting in a wide use of lactase supplements. This enzyme functions under specific conditions‚ so we investigated the effect different salt concentrations have on the enzyme activity. Serial dilutions were performed to prepare a lactase solution as well as twenty percent‚ fifteen percent‚ and five percent concentrations of NaCl. Three different treatments
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LACTOSE – C12H22O11 Chemical and Biochemical Properties Lactose is very stable and inert from a chemical point of view. It has no significant tendency to react with the drug or other components of a formulation. Some remarks on the chemical properties of lactose are useful however‚ the low hygroscopicity of crystalline lactose supports its virtual chemical inertness. Most chemical reactions of lactose occur noticeably only in aqueous environment. Because lactose has a very low tendency to attract
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Replacer) or lactose free milk‚a towel‚tray‚litter sand a syringe or cat milk bottle and wetfood.You may use dryfood but be sure to mix it with water if the kitten is below 2 months old. If the kitten shivers‚wrap the kitten‚not too tight or too loose and put it in your shirt as it cannot generate it’s own heat.Next‚feed the kitten with KMR and wetfood.Remember‚never feed the kitten wiith cow milk or lactose containing drink because cats are lactose intolerant‚If
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unit 7.3 the experiment tested the ability of lactase to specifically bind and interact with lactose compared to maltose. In unit 7.4 the experiment tested the role‚ if any‚ that metal ions have on the activity of lactase. My hypothesis for unit 7.3 was knowing that lactase is specific for lactose‚ lactose will separate into galactose and glucose‚ as maltose will not change (153-155). Lactase should like lactose. For unit 7.4 my hypothesis was that EDTA will remove the ions‚ and will not work. Materials/Methods
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(lactase) to a specific substrate (lactose). Students will observe the actions of the enzyme and how shape is important to enzyme reactions. Background information: Lactose‚ the sugar found in milk‚ is a disaccharide composed of glucose and galactose (both six-sided sugars). Sucrose‚ ordinary table sugar‚ is also a disaccharide composed of fructose and glucose. Glucose is a six-sided sugar and fructose is a five-sided sugar. Lactase is an enzyme that breaks lactose down into galactose and glucose
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the multiplication of certain useful bacteria which increase the size of the food and make it more filling and soft. 6. Soap is formed by molecules with a "head" which likes water (hydrophilic) and a long chain which hates it (hydrophobic). 7. Lactose is the main complex sugar found in the milk. It’s a pretty big compound formed by two smaller components: glucose and galactose. Such a big compound cannot get through the intestinal wall and into the bloodstream‚ so we need "something" to break it
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scholarly articles‚ Books‚ Media information‚ Interview materials‚ etc 1) Intro : Why do religious conflict occur and the purpose of the research. Religions have their accepted dogma or article of belief. But this could leat to inflexibility and intolerance in the face of other belief. Scripture and dogma are often vague and open to
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