chemical - Chemical Principles Chemical Chapter 2 p 39 47...

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Chemical Principles Chemical Principles Chapter 2 p: 39 - 47 Chapter 2 p: 39 - 47
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Macromolecules Macromolecules Large and complex molecules that make up chemical building blocks of organisms. Carbohydrates Lipids Proteins Nucleic acids ATP
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Organic Molecules Organic Molecules All contain Carbon C skeleton is represented by R Functional groups: Hydroxyl: OH Amino : NH2 Carboxyl : COOH
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Table 2.3 Functional Groups Functional Groups
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Carbohydrates Carbohydrates Sugars and starches Very abundant in cells Made up of C, H ,and O; ratio of H : O is 2:1. ( CH 2 O) n where n is the # of C. Simple sugars ; monosaccharides, ribose, glucose, fructose Complex carbohydrates: polysaccharides.
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Carbohydrates Carbohydrates Functions of Carbohydrates Sugars of DNA and RNA Cell wall of bacteria Food reserves Main function is to supply the cell with energy.
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Monosaccharides Monosaccharides Simple sugars Number of carbons is 3 – 7 Triose ( 3C), Tetrose ( 4 C), Pentose ( 5C), Hexose ( 6C), Heptose ( 7C). Pentoses are found in DNA and RNA, hexoses are like glucose, fructose.
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Disaccharides Disaccharides Dimers, 2 monosaccharides joined together by a dehydration synthesis rx. Glycosidic bond between two adjacent monosaccharides. Glucose + fructose ----- sucrose Glucose + Galactose ----- Lactose Isomers: have same chemical but different structural formula .
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Figure 2.8 Dehydration Synthesis and Dehydration Synthesis and Hydrolysis Hydrolysis
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This note was uploaded on 01/30/2011 for the course BIOL 246 taught by Professor Kocache during the Spring '10 term at George Mason.

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chemical - Chemical Principles Chemical Chapter 2 p 39 47...

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