8 - 9/8/10 1. Phospholipids and Steroids 2. Amino acid...

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1 9/8/10 1. Phospholipids and Steroids 2. Amino acid structure and condensation Buskirk office hours Mon 8/13 (PAI 3.04) 3:30-5 pm, not 2-3 pm Lipids are a diverse group of nonpolar molecules Many lipids are synthesized from fatty acids Review - What is the structure of a fatty acid? How could different fatty acids differ from one another? 1 glycerol and 3 fatty acid molecules form a triglyceride (= triacylglycerol, tri acyl glycerol) by condensation. How many water molecules are formed? A. none B. 1 C. 2 D. 3 E. many 4 Does a triglyceride have any OH groups? Adipose Tissue These are fat cells; See how the nucleus is squashed to the side? Lipids are the lowest density energy storage molecules. What are the differences between saturated and unsaturated fats? • Have you heard of “hydrogenation”? • What is this process, and why would people hydrogenate vegetable oil? polar non-polar A phospholipid is made from a glycerol and only two fatty acids.
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This note was uploaded on 12/05/2010 for the course BIO 311C taught by Professor Satasivian during the Fall '08 term at University of Texas at Austin.

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8 - 9/8/10 1. Phospholipids and Steroids 2. Amino acid...

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