With the urine samples given to us by the five patients we tested the amounts of glucose‚ amino acids‚ urea‚ and salts in urine. To test this we used different chemicals that would react with one of the four items above showing either a high concentration or low concentration within the urine. By using a solution called silver nitrate we could test whether or not salt was present in the urine. If the urine turned a cloudy white after adding the silver nitrate the urine had a high concentration of
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containing two or more monomers in them and their main functions are to store energy. Starch is a huge molecule made up of hundreds of simple sugar molecules (such as glucose) connected to each other. Most foods are known to be combinations of macromolecules. METHODS The tests performed were iodine testing for starch‚ Benedict’s test for glucose‚ the grease spot test for lipids‚ and the CuSO4’s test for protein. The pH indicator’s detection is based upon observing a chemical change that takes place most
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will be oxygen. The net product of energy for anaerobic respiration is 2 ATP molecules per glucose molecule‚ 18 times fewer than the aerobic process. The reason for this is that without oxygen‚ anaerobic respiration happens in the cytosol rather than in mitochondria. The mitochondria is where the Krebs cycles take place‚ so without that‚ the cells are incapable to produce the same amount of ATP per glucose.(khanacademy.org) Instead of being able to attach excess hydrogen molecule to oxygen to create
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During a race‚ there is an inherent increase in energy requirements and these requirements are maintained by the many biochemical events happening within the body. This essay explores the metabolic processes that occur at the start of the race‚ 5 minutes into the race and 45 minutes into the race in terms of mobilization‚ biochemical pathways used for degradation of molecules and comparing the yield of ATP of the two types of fuels involved‚ namely carbohydrates and lipids. Carbohydrates‚ which have
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Title: Hydrolysis of macromolecules Abstract: This lab was designed to teach the process of “hydrolysis”‚ a chemical reaction in which water is added to a polymer‚ breaking its bonds and forming smaller molecules. A hydrogen cation and a hydroxide anion (which once formed water) break apart and attach themselves to the ends of shorter polymers. Hydrolysis plays an important role in our lives and in the lives of every living thing on earth. Living organisms rely on digestion (hydrolysis)
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different types of carbohydrates have different properties‚ they are important in human body‚ for example‚ glucose‚ glycogen‚ lactose‚ etc. This practical will examine the different properties of different types of carbohydrates. Materials: As in the manual Procedure: As in the manual Result: 1) Relative Solubility of Carbohydrates‚ Glucose & Galactose |Type of carbohydrates |Glucose |Galactose | |The weight of beaker(g) |36.38
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into glucose. The opening of the soaked dialysis tubing represents the opening between the crop and intestine‚ so you fill the tubing with the solution from the small beaker that was just used. You then add the tubing in another beaker that contains water and Lugols reagent. The Lugol’s solution turns a dark blue color when coming in contact with starch‚ however starch molecules are too large to pass the permeable membrane that crosses the intestine‚ so it is catalyzed into the smaller glucose molecule
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1. Candy bars are well known to supply large amounts of energy for metabolism. With all this energy trapped inside‚ how can the candy bar sit still on the shelf in the grocery store? Indeed‚ candy bars have a significant amount of carbohydrates (mostly simple‚ such as sugar) in their composition. The energy stored within these carbohydrates is chemical potential energy‚ and cannot actually be released or converted into usable chemical energy until it is eaten and taken up into the body‚ where various
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* 20% Glucose * 20% Lactose * 20% Sucrose * 20% Maltose * Distilled water * Brom Thymol Blue (BTB) * Spectrophotometer * Measuring cylinders. Procedures: 1. The spectrometer is set to 565nm. Distilled water is used to set the reading to the pure level. 2. 8mL of 20% glucose is placed in the beaker using a measuring cylinder. 3. 1ml of Brom Thymol Blue (BTB) is added into a respective tubes using a pipette. 4. 4ml from the mixture of Glucose and BTB
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process of enzyme digestion. Materials: * 1 small beaker * 2 large beakers * 2 cut pieces of soaked dialysis tubing * 2 dialysis tubing clamps or pieces of twine * 2 clean plastic pipettes * 1 bottle of Lugol’s solution * 2 glucose test strips Procedure: Begin the experiment by placing 4 full pipettes worth of cooked starch in a beaker. Then‚ use a second clean pipette to add 4 full pipettes worth of α-amylase to the beaker and stir to simulate food mixing with saliva in the
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