Outline 04 2008 Macromolecules I - Energy

- Lecture 04 MACROMOLECULES I Energy Summary Macromolecules are chains or polymers of smaller molecules attached to one another by covalent bonds

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Lecture 04: MACROMOLECULES I: Energy Summary. Macromolecules are chains or polymers of smaller molecules attached to one another by covalent bonds. The chains may be either linear or branched. The most important energy storage macromolecules in the chemistry of life are carbohydrates and lipids. Carbohydrates serve complex roles both for structures (peptidoglycans, chitin, cellulose) and for energy storage (sugars, starches). Lipids are hydrophobic molecules used for membranes, for energy storage (oils, fats) and for hormones. In this lecture we explore each type of molecule and the reactions that assemble and disassemble them. Reading Assignment Campbell, N. A. and Reece, J. B. (2008). Biology. Chapter 5 (pp. 68-77). Objectives 1. To be able to explain the formation and breakdown of biological polymers by condensation and hydrolytic reactions. Be able to explain how each of the covalent bonds changes when going from monomer to polymer and the reverse. 2.
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This note was uploaded on 09/13/2009 for the course BIO 1110 taught by Professor Randywayne during the Fall '09 term at Cornell University (Engineering School).

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- Lecture 04 MACROMOLECULES I Energy Summary Macromolecules are chains or polymers of smaller molecules attached to one another by covalent bonds

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