#) Identifying Carbohydrates (First inital and last name of lab partner) Purpose The purpose of this lab is to learn how to identify different forms of carbohydrates by conducting the Benedict and Iodine test. Theory The theory for this concept is that if in the benedicts test the carbohydrate reacts‚ it is a monosaccharide. If it reacts in the Iodine test it is a polysaccharide. If no reaction occurs in either test the carbohydrate is a disaccharide. Data Type of carbohydrate | Benedicts Test
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January 1999 B io Factsheet Example glucose fructose galactose Number 39 Carbohydrates: Revision Summary Carbohydrates contain 3 elements: Carbon (C)‚ Hydrogen (H) and Oxygen (O). Thus‚ if we remove water from carbohydrates‚ all that remains is carbon. Carbohydrates can be divided into 3 categories; monosaccharides‚ disaccharides and polysaccharides (Table 1). Table 1. Structure of monosaccharides‚ disaccharides and polysaccharides Category Monosaccharide (made of 1 sugar molecule)
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Intro: Carbohydrate‚ any of a large group of compounds in which hydrogen and oxygen‚ in the proportions in which they exist in water‚ are combined with carbon; the formula of most of these compounds may be expressed as Cn(H2O)n. Structurally‚ however‚ these compounds are not hydrates of carbon‚ as the formula would seem to indicate. Carbohydrates‚ as a class‚ are the most abundant organic compounds found in nature. They are produced by green plants and by bacteria using the process known as photosynthesis
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The structural features of carbohydrates account for the fact that a wide variety of polysaccharides exist is pentoses and hexoses. The examples of pentose are ribose‚ deoxyribose‚ ribulose and xylulose. The examples of hexose are glucose which is found in fruits‚ fructose which is found in milk and galactose which is found in honey. Both pentoses and hexoses are mostly found in monosaccharides. They are the most simplest sugar which cannot be futher hydrolysed into smaller units. They contain
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LAB 2 1.Identify the functional group or molecule for each of the following. (3 points) a.COOH temp b.COH temp c.COH temp 2.List whether each of the following substances was positive or negative for reducing sugar‚ as indicated by the Benedict’s test. (6 points) a.corn syrup (1 point) b.table sugar (1 point) c.unknown 1 (1 point) d.unknown 2 (1 point) e.unknown 3 (1 point) f.unknown 4 (1 point) 3.List whether each of the following substances was positive or negative for starch‚ as
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Abstract Carbohydrates are the most abundant organic compounds in the plant world. They act as storehouses of chemical energy (glucose‚ starch‚ glycogen); are components of supportive structures in plants (cellulose)‚crustacean shells (chitin)‚ and connective tissues in animals (glucosaminoglycans); and are essential components of nucleic acids (D-ribose and 2-deoxy-D-ribose). Monosaccharides‚ oligosaccharides‚ and polysaccharides are theclassifications of carbohydrates. This experiment involves
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Carbohydrate presentation: SCI 241 Sovanna Ath What is Carbohydrate? * Source of energy * Effects of too much carbohydrates A CARBOHYDRATE IS the ideal source where your body get your energy from. Even though carbohydrates are good for your body too much of it can upset the delicate balance of your body’s blood sugar level which can result in fluctuation in energy and mood that leave you feeling irritated and even tired. It is also better for your body to have a balance of carbohydrates
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Viviana Veber Bio 1510 Sec 21 Carbohydrates Introduction: The objective of this experiment was to identify the reaction of carbohydrates in Benedict’s test‚ Barfoed’s test and Iodine test. Carbohydrates are essential to living organisms‚ and the principal role of carbohydrates is the production of energy. Carbohydrates are groups of sugars that contain carbon‚ oxygen‚ and hydrogen in a 1:2:1 ratio. Three main units of carbohydrates are monosaccharides‚ disaccharides‚ and polysaccharides
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Carbohydrates For my health project I did carbohydrates. They are the bodies energy source. Carbohydrates supply the body with the energy it needs to function. They are found almost exclusively in plant foods‚ such as fruits‚ vegetables‚ peas‚ and beans. Milk and milk products are the only foods derived from animals that contain a significant amount of carbohydrates. Carbohydrates are divided into two groups‚ simple carbohydrates and complex carbohydrates. Simple carbohydrates‚ sometimes
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In case you are on a lower carb diet plan counting carbohydrates is a vital component of making specific that your diet regime can be a good results. Theres an artwork to counting carbohydrates which youll need to grasp prior to you can do well at your diet regime. Initial you have to be able to study a carbohydrate chart accurately. There are many components to a carbohydrate chart. Very first there is the food item becoming referenced. Usually this is an ingredient or main dish with out any toppings
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