"Glucose" Essays and Research Papers

Glucose

Solubility of Carbohydrates , 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 ...

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Glucose and Cellular Respiration

evolved than MgSO₄. In the second set-up, six Smith fermentation tubes were used each containing different 15mL solution (starch, lactose, sucrose, glucose, fructose or distilled H₂O). the tubes were then added with 15 mL distilled H2O and 15 mL 10% yeast suspension. Here, results show that fructose had the highest rate of respiration followed by glucose, sucrose, lactose, starch and H₂O. Thus, simpler substrate would mean higher rate of respiration. INTRODUCTION We all need life to survive. Life...

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Determining the glucose concentration in Sprite

Partners: Sunniva & Bayu Determining the concentration of glucose of 7UP Glucose solutions prepared as follows:- In each case 250.0 cm3 volumetric flasks used Concentration (%) Mass/g 4.00 10.00 8.00 20.00 12.0 30.00 16.0 40.00 20.0 50.00 Table: 1- Recording of concentration, volume, and qualitative observations of various solute/solvent/solution used during the experiment. Name Concentration (%) Volume (ml) Qualitative Observations Glucose (C6H12O6) 5 different types: 4%,8%,12%,16%,20% 5.0 ± 0.1...

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Glucose and Identifying Nutrients Gizmo

tests with the Identifying Nutrients Gizmo™. 1. Below the Food samples label, drag tube A into the Food sample holder. Below the Benedict test, click the Test button. The Benedict test is a test for monosaccharides; simple sugars like glucose or fructose (fruit sugar). In contact with monosaccharides, the Benedict solution turns from blue to pink. Does Sample A contain monosaccharides? _________ Note: Disaccharides such as sucrose (table sugar) and lactose (milk sugar)...

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DETERMINING THE GLUCOSE CONTENT OF AND ORANGE USING GOD

DETERMINING THE GLUCOSE CONTENT OF AND ORANGE USING GOD-PAP ASSAY Every fruit has a sweet taste only that some are sweeter than others. The sweetness of most fruits come from its sugar content and these sugars that the fruits contain are known as invert sugars. In this experiment, an orange was used. An orange which is an excellent source of vitamin C gets its sweetness from natural sugars which are sucrose, glucose and fructose (livestrong.com). In this experiment the concentration of glucose in an orange...

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The Effect of Glucose Concentration on Anaerobic Respiration in Yeast

THE EFFECT OF GLUCOSE CONCENTRATION ON ANAEROBIC RESPIRATION IN YEAST INTRODUCTION: Yeast, also known as a saccharomyces cerevisiae, is single celled eukaryotic cells that are in the kingdom fungi and are unicellular organisms which normally reproduce asexually by budding at a very high rate. Scientists quite often decide to work with yeast because of its features fast growing rate and the fact that yeast's DNA can be easily manipulated. Some types of yeast can be found naturally on plant or in...

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Macromolecules: Glucose and Lab Manual Pg.

Exercise 4.4: Identification of Macromolecules in Household Substances The purpose of this lab is to determine the presence of glucose, starch, and protein in various samples through standard tests. Solution 1: Formula I believe formula will test positive for sugar and protein since it is supposed to be a nutritious, balanced drink for infants. Materials and Methods: Please refer to the Biology 1406 Lab Manual Pg. 43 Test For | Coloration/ Appearance of Positive Control | Coloration/...

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What Factors Influence the Body's Use of Glucose During Physical Activity? How?

of glucose during physical activity? How? The factors that influence the body’s use of glucose during physical activity are: diet, activity intensity level, and activity duration. (Whitney and Rolfes 466-468) First of all you must have a carbohydrate rich diet in order to store glycogen. Abundant glycogen stores enables people to perform physical activity longer at higher intensity. Glucose provided by carbohydrates (Whitney and Rolfes 466-468) Intensity of activity affects glucose use...

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All Sugars Are Not Created Equal: the Effects of Glucose Versus Fructose on the Human Body

All Sugars are not Created Equal: The Effects of Glucose versus Fructose on the Human Body All Sugars Are Not Created Equal: The Effects of Glucose versus Fructose on the Human Body Sugar has occurred naturally in our environment since the dawn of time, and mankind has been enjoying its sweet taste almost that long. After all, glucose occurs naturally in corn, fructose is the natural sweetener found in fruit, sucrose occurs naturally in sugar beets and cane, and lactose is found in...

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the effect of different concentrations of glucose on anaerobic respiration in yeast cells

rate of respiration. I am going to change the concentration of the glucose solution and I’m going to measure the volume of gas produced during respiration in cm³. Yeast contains enzymes. Enzymes speed up a chemical reaction – they’re biological catalysts. Yeast can respire both aerobically and anaerobic; the anaerobic respiration of yeast is known as fermentation. The equation for this type of respiration in yeast is: Glucose Carbon Dioxide + Ethanol The presence of ethanol means that yeast...

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Oral Glucose Tolerance Test

Variables in Glucose Tolerance lab was to examine the changes in blood sugar during glucose tolerance test conducted with test rats. We will be using three rats and perform the Oral Glucose Tolerance Test to measure the glucose levels in the rats blood. The oral glucose tolerance test is a laboratory method to check how the body breaks down (metabolizes) blood sugar. Glucose is the sugar that the body uses for energy. Patients with untreated diabetes have high blood glucose levels. Glucose tolerance...

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The Oral Glucose Tolerance Test

Introduction: Glucose is one of the few chemical constituents of the blood that can change noticeably in its concentration. Many diseases cause a change in glucose metabolism but the most frequent cause of an increase in blood glucose is diabetes mellitus. The early detection of diabetes is important to avoid the many complications of the disease. The glucose tolerance test commonly done by recommended level for adults of a 75 g glucose drink to be consumed within a 5 min time period. The timing...

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Quantitative Glucose Test

LAB 2: DATE: 29TH September, 2011. FORM CLASS: L6 3 SUBJECT: Biology TITLE: Quantitative Glucose Test AIM: To determine the amount of glucose in three unknown samples namely A, B and C INTRODUCTION: Biological molecules are held together by covalent bonds, hydrogen bonds among others bonds in various ways to produce large molecules called macromolecules. Simple organic compounds and macromolecules molecules vary in structure and can be distinguished by their functional groups. Molecules of...

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Yeast Lab6

12th 2014! The Effect of Glucose on The Cellular Respiration of Yeast! Purpose: ! The purpose of this lab is to determine if the quantity glucose solution will increase or decrease the rate at which cellular respiration occurs at within the tested 20% yeast suspension.! Question:! What are the effects of increasing or decreasing the quantity of 0.06mol/L glucose solution on the cellular respiration within the tested yeast molecules?! Hypothesis: ! When the quantity of glucose solution is increased,...

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Yeast Pre-Lab

to ferment other sugars and artificial sweeteners, and how lactase influences yeasts ability to use lactose as a food source Kristina Naydenova Father Michael Goetz Purpose Part A: To investigate whether yeast has the ability to ferment glucose to produce carbon dioxide gas and ethanol. Part B: To investigate whether yeast has the ability to ferment other sugars and artificial sweeteners and how lactase influences their ability to use lactose as a food source. Question Part A:...

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Biol 111 lab report water

you expect? If the amylase successfully digests the starch, I would expect a no color change occur as well as a presence of glucose in the intestine (Dialysis tubing). If the amylase only partly digests the starch, what would you expect to happen? If the amylase only partly digests the starch, I would expect to see a faint color change as well as a small presence of glucose inside the intestine. If the amylase fails to digest the starch, what results would you expect? If the amylase fails...

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Yeast Respiration Lab

experiment was to investigate the effect of different amounts of a substrate on the respiration rate of yeast and to compare this to the effect of different amounts of glucose on the rate of yeast respiration. The substrate which I chose to further investigate was fructose. Fructose is a fruit sugar which is one of the three, along with glucose and galactose, dietary monosaccharides that are directly absorbed into the bloodstream during digestion. Apparatus 2% yeast solution Large beaker ...

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biology definitions completed worksheet

Definitions Alpha glucose- is an isomer. The hydroxyl group is attached facing down and away from the main structure. Beta glucose- is an isomer except the hydroxyl group is attached above the ring and on the first carbon. Fructose- a sugar of the hexose class, and is a simple ketonic monosaccharide found in many plants, where it is often bonded to glucose to form the disaccharide sucrose. Sucrose- Sucrose is a sugar, the organic compound commonly known as table sugar, cane sugar, beet sugar...

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Nutrition

Carbohydrates Glucose simplest sugar found primary in plan based foods Monst desirable form of energy Body always wants to use most absorbable easiest to use Eventually some systemsbreakdown Veggies are much easier to digest If body consumes 500g of carbs burning same as consume dont gain weight Body will use some but leftivers become fat Have fat storage Body can only store so much....via gycogen Have to eat healthy carbohydrates Photosynthesis Plants / leaves stored...

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Children and Diabetes

something that can be lived without any problems. The definition of Type 1 Diabetes Mellitus is where the pancreas can’t produce the necessary insulin for the body to maintain the correct glucose or sugar level that is needed. According to the American Diabetes Association, the body needs enough glucose between the ranges of 70 to 130mg before a meal and no more than 180mg after a meal. When your levels drop to low, that is considered to be hypoglycemia, too high is hyperglycemia. Some of the...

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Bios242 Lab2

iLab #2 Carbohydrate Tests INTRODUCTION - For this experiment we will be testing four different bacteria with four different tests, using glucose, lactose, and sucrose. Hopefully we will use the information from those test to be able to identify the organisms in each of the samples from the case studies. We will use the results from the four different tests along with the information of how different bacteria react to match up to the case...

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To Compare the Reducing Sugar Content of Dry Raisin and Fresh Grape

of reducing sugar. iii) Different concentration of glucose solutions as indicator Different concentrations of glucose solutions are prepared as indicator. Apply Benedict’s test on those glucose solutions and use the result to compare the result from grape or dry raisin. Thus, the content of reducing sugar can be estimated. 3. Materials: |2 pieces of fresh grape |20 pieces of dry raisin |Benedict’s solution |1.5% glucose solution |1 x 1 ml pipette | |2 x 5 ml pipettes...

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Glycolysis

trapping and destabilising glucose in order to produce 2x3c molecules (5steps in the process). Requires energy (2 ATPs) Stage 2 – oxidation of the 3c molecules to pyruvate (5steps in the process). Energy generated (4tps and 2 NADH) Stage 1 Step 1 – trapping glucose, glucose enters via facilitated diffusion through specific transport proteins. The family of transporters is known as GLUT, GLUT 3 (brain, nerve tissue) Low Km allows relatively constant rate of glucose uptake, GLUT 2 (liver, β-cells...

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Discuss the Term Homeostasis with Reference to a Named Physiological System. Relate Your Answer to the Lower Limb

system is responsible for the control of blood glucose levels which heavily depend on the secretion of insulin and glucagon (see fig 2). These hormones are produced in the pancreas, within specialist cells called Islets of langerhans containing alpha cells for glucagon production and beta cells for insulin production. The pancreas also contains the receptors responsible for monitoring blood glucose levels. [pic] Fig 2 www.science aid.co.uk Glucose is essential in the production of ATP, which...

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Cellulose

Cellulose Cellulose is an organic compound with the formula (C6H10O5)n, a polysaccharide consisting of a linear chain of several hundred to many thousands of β(1→4) linked D-glucose units. Cellulose is an important structural component of the primary cell wall of green plants, many forms of algae and the oomycetes. Some species of bacteria secrete it to form biofilms. Cellulose is the most abundant organic polymer on Earth. The cellulose content of cotton fiber is 90%, that of wood is 40–50% and...

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Heart Rate

many functions in addition to insulin production. The pancreas also produces digestive enzymes and other hormones. When you eat, the food is digested and then broken down into glucose. Glucose is the simple sugar that is the body's main source of energy, otherwise known as blood sugar. Carbohydrates are broken down into glucose and are absorbed from the intestines into the bloodstream after you eat. The pancreas then secretes insulin in response to the increase in blood sugar. Most cells of the body...

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Diffusion Across Biological Membranes: a Simulation

Hence, this experiment is focused on diffusion and required to create a own model cell by pouring distilled H2O, starch, iodine and glucose in tied dialysis tubing to test for substance which diffuse through the membrane and which one could not due to its size. Materials and Methods Materials: * Distilled H2O * Starch solution * Iodine solution * Glucose solution * Test tube (3-4/group) * Test tube rack * Marking tape * Benedict’s test solution * Hot water bath...

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Yeast and Sugar - the Chemistry Must Be Right

through the breakdown of glucose and other simple sugars. [pic] In this experiment four types of sugars are used: Sucrose, Lactose, Fructose and Dextrose(Glucose). A disaccharide is the carbohydrate formed when two monosaccharides undergo a condensation reaction which involves the elimination of a small molecule, such as water, from the functional groups only. For example: milk sugar (lactose) is made from glucose and galactose whereas cane sugar (sucrose) is made from glucose and fructose. The two...

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Anatomy - Structure of the Pancreas

Insulin promotes the movement of glucose and other nutrients out of the blood and into cells. When blood glucose rises, insulin, released from the beta cells causes glucose to enter body cells to be used for energy. Also, it sometimes stimulates conversion of glucose to glycogen in the liver. Another pancreatic hormone, glucagon, promotes the movement of glucose into the blood when glucose levels are below normal. It causes the breakdown of stored liver glycogen to glucose, so that the sugar content of...

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How Sugar Affects the Body in Motion

each ride, they swallowed drinks sweetened with fructose or glucose, another simple sugar often identified as dextrose on ingredient labels. (Some also drank a milk-sugar sweetener.) RELATED * More Phys Ed columns * Faster, Higher, Stronger * Fitness and Nutrition News The liver is often overlooked when we consider organs integral to exercise, but it is an important reservoir of glycogen, the body’s stored form of glucose. All sugars, including sucrose, or table sugar, and high-fructose...

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The Ability of Yeast to Ferment Sugar Molecules

made use of water, glucose, sucrose, and starch. It was hypothesized that glucose, sucrose, then starch would all be used to produce energy during fermentation. Being that glucose is a simple sugar, or monosaccharide, we predicted that glucose would be fermented most quickly. This hypothesis was made based on the idea that glucose is the cell's main source of energy in aerobic cellular respiration. The first step of cellular respiration is glycolysis which breaks down glucose for energy. We predicted...

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Energy Transfer in Living Systems

respiration. Cellular respiration releases chemical energy stored in glucose molecules. all organisms must perform cell respiration in order to release the chemical energy they have obtained whether an organism makes its own organic nutrients or obtains organic nutrients by eating the chemical energy stored in those organic nutrients must be converted into ATP (the universal energy molecules used by all cell structures) glucose cannot be used by all cell structures as a source of chemical energy...

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Organic Nutrients Lab Report

Who Took Jerell’s iPod? Lab Purpose: Standardized Tests The purpose of testing the organic nutrients (vegetable oil, glucose, starch, powdered egg white) with each of the different indicators (brown paper towel, benedicts, iodine, biurets) was to determine the color it would turn with positive traces of the nutrient. The purpose of testing just the Distilled H2O was to determine the color it would turn with negative traces. Nutrient in the Different Foods The purpose of testing each of...

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Experiment 4 Lab Review

cells.  There are three classifications for Carbohydrates: monosaccharides, disaccharides, and polysaccharides.  Monosaccharides are the simple sugars.  Two monosaccharides make a disaccharide.  Three or more monosaccharides are a polysaccharide.  Glucose, fructose, and galactose are monosaccharides.  Sucrose, lactose, and maltose are disaccharides.  Starch and glycogen are polysaccharides.  Simple sugars can be found by using Benedict’s test. Starch will react with IKI to give a dark blue color change...

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Starch, Glycogen and Cellulose

often do not produce crystals when water is taken out. Starch Starch is a complex solid carbohydrate, consisting glucose molecules held together by glycosidic bonds. It is a storage polysaccharide. They can be found in fruits, seeds, roots and other parts of the plant. The monomer of starch is glucose. Therefore, starch molecules can be made by polymerisation reaction, where glucose molecules are joined together to form a long chain. These starch molecules are held by glycosidic bonds. Uses of...

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Cellulose, Starch, Glycogen, Prion Disease and Cholesterol

built from glucose molecules bonded covalently together through a process known as hydrolysis. Hydrolysis is a chemical process in which a molecule of water is added to a substance. Each alternating glucose ring of the cellulose molecule is flipped over and the water molecule (H2O) has been split out leaving an oxygen molecule between each ring. This chain or ribbon (the cellulose molecule) will continue for 3,000 to 5,000 glucose units. Starch is a polysaccharide comprising glucose monomers joined...

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Muscle Physiology

condition back to its normal state; this is the most common way that the body regulates itself. Examples of negative feedback: (1) when blood pressure rises, the heart slows down; (2) when glucose levels in the blood are too high, the pancreas secretes insulin to stimulate the absorption of glucose and the conversion of glucose into glycogen. In positive feedback, the body reacts to a change from the normal state by causing an even greater change. Examples of positive feedback: (1) when constrictions in...

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Adkins Vs. FadKins Case Study

Complex carbohydrates are chains of simple sugars. Their primary role in animals is to provide energy. Plants use starch as an energy storage molecule, and use complex carbohydrates such as cellulose for support. Examples of carbohydrates are sucrose, glucose, fructose, starch, cellulose, and glycogen. A good dietary source for carbohydrates would be bread and grains. Fats - Fats are a complex of fatty acid chains attached to a glycerol backbone. Fats are a type of lipid, and are used for energy,...

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Investigation of Action of Saliva and 3M HCl in Two Carbohydrates Solutions.

needed and increase the rate of reaction. Most enzyme are proteins, and their catalytic action results from their complex structure. Enzyme hydrolyses the starch suspension which is a polysaccharide into maltose and maltose which is disaccharide into glucose which is monosaccharide when hydrochloric acid was added into solution B. This is because solution B was hydrolysed and the H+ ions present break down the bond in between molecules of the solution B. 4. Since the substance is starch, starch undergo...

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Lab Report

lab. (Clendening 2014) The amount of glucose and glycerol were determined from the homogenate sample as well. Samples A(+) and B(-) were used to determine glucose. Sample A had 8mg/ml amylogloucosidase in .2M citrate buffer, pH 5.0 and was incubated at 37° Celsius for two hours to allow for the enzyme to digest the glycogen. Sample B was the control, where only .2M citrate buffer, pH 5.0 was added which was used to measure the amount of free glucose. While incubating, glycerol was determined...

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Energy Systems - ATP/CE, Lactic Acid & Aerobic

than two minutes. This system kicks in when our ATP and CP stores have run out, glycogen from muscles and the liver is used to be broken down it glucose, as glycogen provides a quick source of energy and can be directed to the muscles quickly. Anaerobic Glycolysis occurs, which involves ten chemical reactions occurring within the muscle which turns glucose into pyruvic acid and 2 molecules of ATP. The lack of oxygen in this reaction means that some of the waste products are not disposed of, which causes...

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Anaerobic and Aerobic Metabolism

or without oxygen (Anaerobically). The purpose of this experiment was to perform a quantitative investigation of the differences between Anaerobic and Aerobic metabolism using pea seedlings and yeast organisms [1]. Aerobically, sugars such as glucose are transformed into pyruvate [2] and then into Acetyl CoA. This is then put through the citric acid cycle which is a series of reactions that oxidize acetyl units into carbon dioxide [2]. Following the citric acid cycle, various enzymes are oxidized...

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Carbohydrates Essay

providing energy for working muscles, providing energy for the regulation of blood glucose, preventing proteins being used for energy, breaking down fatty acids and playing a part in biological recognition processes. Glucose is one of the most commonly known carbohydrates and comes under the category of a monosaccharide. Monosaccharaides are the basic molecular units (monomers) of which carbohydrates are composed. Glucose is vital as it provides energy for cells which provide all the necessary processes...

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Anatomy: Enzymes

products would be both, glucose and galactose. After comparing the effect of temperature on the production of glucose, I conclude that there was not much change between 0 degrees Celsius and 80 degrees Celsius because the level of glucose remained constant which was at a rate of 1000. I would think that 0 degrees Celsius would have a different number of glucose production because it’s as freezing point, meaning the molecules are moving slower, causing little or no production. The glucose production of 100...

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Identifying Organic Compounds Lab

each type of food? Hypothesis: If Benedict solution is added to honey, then it will turn. If Biuret solution is added to egg whites, then it will turn. If Benedict solution is added to corn oil, then it will turn. If Benedict solution is added to glucose, then it will turn. If Benedict solution is added to gelatin, then it will turn. If Benedict solution is added to butter, then it will turn. If iodine is added to starch, then it will turn. If Benedict color is added to apple juice, then it will turn...

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Informative Speech Outline

diabetes changes people’s lives because they have to watch what they eat, stay active, and learn to monitor their blood glucose levels. * Audience Motivation: It is important to know about diabetes because you could be living with it yourself and may not know it. * Credibility: My mom has diabetes and knowing about it has made me aware of the warning signs that when her blood glucose levels are too low or high, she needs to react quickly to balance it out. * Purpose: Today, I want to teach you...

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Digestion of Starch

results of the iodine and Benedict’s tests for the Carbohydrate lab Test Tube contents and number Color of iodine test Color of Benedict’s test How much is present? 0= none 1= present How much glucose is present? 0= none 1= some 2= a lot #1 Starch (Control Setup) Dark Blue/ Blue 1 0 #2 Glucose (Control Setup) Yellow Blue 0 2 #3 Experimental Cracker Dark Blue/ Purple Blue 1 0 #4 Saliva Yellow Blue 0 1 #9 Cracker and Synthetic saliva Dark purple Yellow 1 2 #11 Cracker with pepsin...

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BIOS242 W4 Lab Template

Test Bacterium 2 Test Bacterium 3 Test Bacterium 4 Gram Stain Gas from Glucose Acid from Glucose Sucrose Lactose Identification Initial color of medium in Gas and Acid from Glucose test: If you have a positive test, describe the changes seen in the medium. What is the purpose of the Durham tube? You use the Durham tube to trap gas. Discussion o All four bacteria were able to metabolize glucose, but not all produced identical results. Predict the metabolic products expected...

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How Do I Make Cannabis Oil

used to identify carbohydrates and proteins in the laboratory. Materials: 7 clean test tubes plus test tube rack dropper bottles of 1% starch, 1% protein, 1% glucose, and distilled water (DW), slurries of honey, egg white, and saltine crackers dropper of IKI solution (starch test) dropper bottle of Benedict’s reagent (glucose test) dropper bottles of 10% NaOH and 2% CuSO4 (Biuret Reagents – protein test) 95ºC water bath masking tape for labeling test tubes Procedure: Biuret test...

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Macromoleules of Life

should be negative and is not a protein. In the second experiment to test for glucose with the Benedict reagent sugar should be positive for glucose. Starch mixed with the Benedict reagent is probably positive for glucose because it is a polysaccharide. Onion juice mixed with Benedict reagent is probably positive for glucose because it is a fructose. Distilled water with Benedict reagent should be negative for glucose. The third experiment to test for starch using with and without the IKI reagent...

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Qualitative Tests of Carbohydrates

arabinose, ribose, lactose, fructose, maltose, and cellobiose tested positively and therefore are considered reducing sugars. Glucose, starch, sucrose, and methyl-D-glucopyranoside on the other hand tested negatively and therefore are considered non-reducing sugars. Table 1. Results of Benedict’s test on various sugar solutions Sugar Solution | Color | Clarity | Glucose | Bright blue with orange tint on top | Clear | Galactose | Brown on top, blue-ish on bottom | Opaque | Mannose | Brown...

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Substrate

Deficiency in Aldolase B In hereditary fructose intolerance there is a protein lacking that is needed to breakdown fructose. Aldolase B is the substance needed to breakdown fructose. Without the Aldolase B the body is not able to change glycogen into glucose that the body needs. When this happens an individual’s blood sugar can fall and substances will build up in the liver causing more health issues. With an absence of the enzyme Aldolase B, fructose cannot be broken down causing hereditary fructose...

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Sugar

we have to break it down into its two ingredients that it is made up of, glucose and fructose. Sugar, or its natural form, sucrose, is a carbohydrate, which makes it an energy substance. It is also known, as sucrose is a sweet crystalline substance obtained from various plants, especially sugar cane and sugar beef. It is used a sweetener in foods to make them taste better, and is made up off glucose and fructose. Glucose, called a simple sugar, is a carbohydrate, which makes it a pure energy...

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Identifying Biological Molecules with Colorimetric Chemical Tests

control), glucose, sucrose, raffinose, starch, gelatin, milk powder and albumin. The results for Benedict’s test for reducing sugars before hydrolysis, the control dH2O had no color change, as well as sucrose and raffinose. Gelatin became a dark blue and egg albumin a light greyish blue. Glucose yielded a dark orange, milk albumin turned orange, and starch had a yellow precipitate. In the Benedict’s test for reducing sugars by hot acid hydrolysis, the control dH2O was blue or no reaction. Glucose turned...

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anatomy and physiology p4 m1 role of energy

changes in the environment such as temperature. ATP is the only source of energy that the body can use though there are several other types of energy that are chemical, heat, light, sound and nuclear. Energy can be stored as glucose and the process of turning this glucose into ATP is called cellular respiration. There are three stages of cellular respiration and these are, glycolysis, the krebs cycle and the electron transport chain (ETC). Glycolysis is the first step in a biomedical pathway...

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The Process of Fermentation Through Different Kinds of Sugars

THE PROCESS OF FERMENTATION THROUGH DIFFERENT KINDS OF SUGARS In order to produce ethyl alcohol fermentation, we had to determine what sugars used, such as glucose (a single sugar) sucrose (table sugar) and lactose (milk sugar) will react with yeast to produce ethyl alcohol fermentation. My hypothesis is that the sugar lactose would produce the highest amount of bubbles and ferment. INTRODUCTION: The significance of fermentation is a lengthy process that has been practiced by humankind...

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diffusion lab reportt

others cannot). In this experiment we used dialysis bag as a model of the cell membrane. Our hypothesis was that the glucose will diffuse out of the membrane into the beaker filled with iodine solution. To demonstrate dialysis tubing we used water, starch and iodine. When starch and iodine react together they form a dark brown color. Materials Rubber band Dialysis bag Beaker Glucose solution Iodine solution Water, thread Methods Cut a piece of dialysis tubing that has been soaking in water...

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Diabetes Research Paper

the food people eat is broken down into glucose, the form of sugar in the blood. Glucose is the main source of fuel for the body. After digestion, glucose passes into the bloodstream, where it is used by cells for growth and energy. For glucose to get into cells, insulin must be present. Insulin is a hormone produced by the pancreas, a large gland behind the stomach. When people eat, the pancreas automatically produces the right amount of insulin to move glucose from blood into the cells. In people...

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Lactase Enzyme Lab

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. Lactase can be purchased in pill form by people who are lactose intolerant. These people lack the enzyme, lactase...

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Yeast Fermentation lab

types of sugar being used in the experiment is glucose, sucrose, and lactose. Glucose is a monosaccharide and is used in the first step of glycolysis in order to help create pyruvates, which are then used to create ethanol as long as there is no mitochondria or oxygen present. Sucrose is a disaccharide, commonly referred to as sugar, it’s used worldwide, and mainly harvested from sugarcanes. Sucrose is composed of two monosaccharide’s being; glucose and fructose, both are used in glycolysis in order...

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