Lecture3_08_Handouts

Lecture3_08_Handouts - Lecture 3 September 2, 2008 Chemical...

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1 Lecture 3 – September 2, 2008 Chemical components of the cell If we disregard water, nearly all the molecules in a cell are based on Carbon (Organic Molecules) Properties of Carbon
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2 Examples of chains, branched trees, and rings formed by carbon atoms joining each other A covalent bond is formed when two atoms share one or more of their electrons Carbon skeletons can contain double covalent bonds
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3 Some combinations of atoms occur repeatedly in organic molecules Methyl: -CH 3 Hydroxyl: -OH Carboxyl: -COOH Carbonyl: -C = O Phosphoryl: -PO 3 2- Amino: -NH 2 Peptide bond
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4 Phosphoryl groups (-PO 3 2- ) Hydrophilic and Hydrophobic
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5 Acids and Bases Small organic molecules are used as monomer subunits to build macromolecules Macromolecules are broken down into small organic molecules
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6 The simplest sugars – the monosaccharides are compounds with the general formula (CH 2 O) n Different ways to represent glucose (C 6 H 12 O 6 ) Glucose Two monosaccharides can be linked to form a disaccharide
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This note was uploaded on 02/11/2009 for the course BIOL 2104 taught by Professor Dcimini during the Spring '08 term at Virginia Tech.

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Lecture3_08_Handouts - Lecture 3 September 2, 2008 Chemical...

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