Title: Benedict ’s test for Reducing Sugars Testable Question: Are all carbohydrates reducing sugars? Hypothesis: If the carbohydrate contains available ketone or aldehyde molecules then they are reducing sugars. Variables: a. Independent: Function groups react w/ reagent b. Dependent: Color change (red‚ orange‚ yellow) Control: Water Materials: - 4 mL of each solution (Water‚ Starch‚ Glucose‚ Maltose‚ Sucrose‚ Onion Juice‚ Potato slice‚ Milk) - 8 test tubes
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for our vital functions such as breathing and sleeping. There are two types of carbohydrates‚ simple and complicated. Monosaccharides‚ disaccharides and polysaccharides. L. O. 1.2 Carbohydrates are split into different classifications depending on how many molecules they have. Monosaccharide: one sugar molecule. E.g. Fructose‚ Galactose or Glucose. Disaccharide: Two sugar molecules linked together by a glycocidic bond. E.g. Glucose + Glucose = Maltose Glucose + Fructose = Sucrose Polysaccharide:
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MACROMOLECULES OF LIFE DEFINITIONS INORGANIC CHEMISTRY A branch of chemistry which studies the structures‚ synthesis and reactions of compounds other than HYPERLINK http//searchbox.hyperdictionary.com/dictionary/hydrocarbons t _blank hydrocarbons and their derivatives ORGANIC CHEMISTRY A branch of chemistry that deals specifically with the structures‚ synthesis and reactions of carbon-containing compounds. CHEMICAL BONDS When two or more atoms are bonded together to form new and more complex aggregates
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the solutes and therefore it disrupts the equilibrium and happens faster. 5. List some foods high in carbohydrates. 39 rice‚ wheat‚ rye‚ legumes Give some food sugar names of monosaccharides‚ disaccharides‚ and polysaccharides. 39 monosaccharides-glucose‚ fructose‚ galactose disaccharides- sucrose‚ maltose‚ and lactose Polysaccharides- fiber‚ plant starch 7. Soluble fibers such as pectic substances‚ vegetable gums‚ and inulin are used for what purpose in the food industry? Give product
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Introduction: According to chemists‚ hydrolysis is defined as the breaking of a compound involving a reaction with a water molecule. The goal of this experiment is to three-dimensionally show how disaccharides are transformed into monosaccharides using an acid-catalyzed hydrolysis reaction. For the purpose of this lab‚ it is quite useful to fully understand the following terms: optical rotation and carbohydrate. Optical rotation is measured by a polarimeter‚ which measures the polarization of light
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Carbohydrates & Glycobiology Dr. Jeelan Moghraby B.Sc.‚ D.Phil Assistant Professor Email: moghrabyj@ksau-hs.edu.sa Lecture 13 & 14 BIOC211 2013 Objectives Describe the structure of carbohydrates Classify the types of carbohydrates Recognise different types of glycoconjugates and their role Dr. Jeelan Moghraby Introduction Carbohydrates Most abundant organic molecule in nature Empirical formula (CH2O)n Originally produced from CO2 and H2O during
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monosaccharide | lipids | glycerol‚ fatty acid | protein | Amino acids | nucleic acid | necleotides | CARBOHYDRATES 1. List the three main groups of carbohydrates. The three main group of carbohydrates are monosaccharides‚ disaccharides‚ and polysaccharides 2. Play the animation of dehydration synthesis. What two monosaccarides did you start with? What
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stephanie lombardi block f 2.1 What are Organisms and Their Components? (Pgs. 37-41) organisms are living things with components that biotechnologists work directly with they are the raw materials of biotechnology cells are the smallest unit of life that makes up all living organisms‚ these can be manipulated in many ways Escherichia Coli (E.Coli) is a bacterium that is commonly used by biotechnology companies for the development of products multicellular composed of more than one cell
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• Organic chemistry- special study of chemistry dealing with molecules containing carbon and hydrogen • Hydrocarbon- an organic molecule consisting only of carbon and hydrogen. • Functional groups- a specific configuration of atoms commonly attached to the carbon skeletons of organic molecules and involved in chemical reactions. • Hydroxyl group: a chemical group consisting of an oxygen atom joined to a hydrogen atom. Molecules possessing this group are soluble in water and are called alcohols
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made up from Carbon‚ Hydrogen and Oxygen It is the main source of energy of cells. It can be divided into 3 groups – Monosaccharides‚ Disaccharides and polysaccharides. Monosacharides : They are known as simple sugars They cannot be hydrolysed/broken down into smaller units Eg. Glucose‚ Fructose‚ Galactose They are reducing sugars Disaccharides : They are formed by condensation reaction. Also known as complex sugars They are water soluble‚ sweet tasting and can be crystallized
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