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Lecture Outline 9_3-9_10

Lecture Outline 9_3-9_10 - Macromolecules Reading...

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Macromolecules Reading assignment: Chapter 5, pages 68–91. Definition of macromolecules Polymers/Monomers Chemical reactions Condensation Hydrolysis Carbohydrates: Sugars Function Structure Lipids: Fatty acids Function Structure Phospholipids Steroids Proteins Function Structure (Primary, secondary, tertiary, quaternary) Nucleic acids: Function Types (DNA, RNA) Structure Nucleotides (Nitrogenous bases, five carbon sugar, phosphate group) GLOSSARY Macromolecule: A giant molecule of living matter formed by the joining of smaller molecules, usually by condensation synthesis. Polysaccharides, proteins, and nucleic acids are macromolecules. Monomer: The subunit that serves as the building block of a polymer. Condensation: A chemical reaction involving union between molecules often with elimination of a simple molecule (as water) to form a new more complex compound of often greater molecular weight. Hydrolysis: A chemical process that lyses or splits molecules by the addition of water; an essential process in digestion.
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