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Polysaccharide

Testing for Polysaccharides Lab Intro

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Introduction Carbohydrates, proteins, lipids and nucleic acids are four abundant molecules crucial to all living organisms. Each of these molecules are characterized differently and can be easily distinguished through testing with chemicals. Three of them (carbohydrates, proteins and nucleic acids) are macromolecules, molecules that consist of many atoms. However, they do share the possession of the six elements essential to life which are sulfur, phosphorus , oxygen, nitrogen, carbon and hydrogen. The objective is to test molecules like carbohydrates, lipids and proteins to determine how they react with chemicals.

carbohydrates

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1 Carbohydrate Outline ? Carbohydrates (structure and function) ? Levels of organization ? Monosaccharides e.g., glucose ? Disaccharides e.g., sucrose ? Polysaccharides e.g., starch, cellulose, glycogen ? Isomerism ? structural & stereoisomeris ? Roles in energy transfer, structural frameworks, storage 2 Objectives: At the end of this lesson you should be able to: ?Describe structure of carbohydrates: ? at different levels of organization ? monosaccharides (glucose), disaccharides ( sucrose) and polysaccharides (starch, cellulose, glycogen) ? different isomers ? structural (alpha, beta), optical (D and L) ?State the function of carbohydrates 3 Carbohydrates Etymology ?Name carbohydrate (?hydrate of

Nutrition and Enzymes Powerpoint

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Nutrition In order for the human body to be healthy and resistant to disease, good nutrition is required. All living things are made of chemicals. In order to grow, develop and maintain bodily structures and functions, specific chemicals must be acquired from the food we eat. In a sense, we are what we eat. Nutrients can be divided into the following categories: Nutrients Overview Carbohydrates ? sugar based molecules that are metabolized for energy in cellular respiration and make up the structural components of plant cell walls. Lipids ? fat based molecules that store large quantities of energy. These molecules also make up the structure of cell membranes.

Nutrition and Enzymes (Biochemistry)

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Nutrition In order for the human body to be healthy and resistant to disease, good nutrition is required. All living things are made of chemicals. In order to grow, develop and maintain bodily structures and functions, specific chemicals must be acquired from the food we eat. In a sense, we are what we eat. Nutrients can be divided into the following categories: Nutrients Overview Carbohydrates ? sugar based molecules that are metabolized for energy in cellular respiration and make up the structural components of plant cell walls. Lipids ? fat based molecules that store large quantities of energy. These molecules also make up the structure of cell membranes.

biologych3

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salt is not a macromolecule bonds that form between units of polymeric macromolecules are covalent triglyceride/cellulose are not a correct monomer/polymer pairing in condensation reactions, the atoms that make up a water molecule are derived from both of the reactants polymerization reactions in which polysaccharides are synthesized from monosaccharides result in the formation of water during the formation of a peptide linkage a molecule of water is formed polysaccharides, polypeptides, and polynucleotides are broken down in hydrolysis reactions amino acids can be classified by the characteristics of their side chains or ?R? groups a protein can best be defined as a polymer of amino acids some proteins function as enzymes

Campbell Biology 9th Edition Chapter 5 Outline

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Chapter 5: The Structure and Function of Large Biological Molecules Outline The Molecules of Life Macromolecules: carbohydrates, proteins, and nucleic acids Architecture of a large biological molecule helps explain how that molecule works Macromolecules are Polymers, Built from Monomers Polymer: A long molecule consisting of many similar or identical building blocks linked by covalent bonds, much as a train consists of a chain of cars Monomers: The repeating units that serve as the building blocks of a polymer Synthesis and Breakdown of Polymers Enzymes: Specialized macromolecules that speed up chemical reactions Dehyrdration Reaction: Two molecules are covalently bonded to each other, with the loss of a water molecule
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