lecture 14 - BIO 311C February 20, 2008 No lecture on Feb....

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BIO 311C February 20, 2008 The contents of this lecture are presented in No lecture on Feb. 20
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The word “bond” is used in several somewhat different ways in this course. 1. The six different kinds of “chemical bonds” presented in the table represent broad classes of bonding that are determined by electron distributions and attractions among atoms. 2. The covalent bonding arrangement between two specific kinds of functional group is sometimes called a “bond”. For example: 3. A covalent bonding arrangement between two specific functional groups of a specific class of molecule is also sometimes called a “bond”. For example: a. ester bond (formed from and acid and an alcohol) b. acid-anhydride bond (formed from two acids) a. glycosidic bond (formed between two sugars) b. glyceride bond (formed from a fatty acid and glycerol) c. peptide bond (formed between two amino acids) *
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water Definition: Lipids are biological molecules that are not water soluble (i.e. - they are hydrophobic) and do not fit into other major categories of biological molecules. They are not characterized by diagnostic functional groups. Lipids with densities lower than the density of water will float on top of aqueous solutions. Lipids with densities higher than the
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This note was uploaded on 03/23/2008 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas.

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lecture 14 - BIO 311C February 20, 2008 No lecture on Feb....

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