06Ch05lipids2005

06Ch05lipids2005 - 2005-2006AP BiologyLipids2005-2006AP...

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Unformatted text preview: 2005-2006AP BiologyLipids2005-2006AP BiologyLipids Lipids are composed of C, H, Olonghydrocarbon chain Diverse groupfatsphospholipidssteroidsDo notform polymersbig molecules made of subunit smaller moleculesnota continuing chain2005-2006AP BiologyFats Structure:glycerol (3C alcohol) + fatty aciddehydration synthesisfatty acid = longHC “tail” with COOH group at “head”2005-2006AP BiologyFatTriacylglycerol3 fatty acids linked to glycerolester linkage = between OH & COOH 2005-2006AP BiologyDehydration synthesis2005-2006AP BiologyFatsLong HC chainpolar or non-polar?hydrophilic or hydrophobic?Function:energy storage very rich2x carbohydratescushion organsinsulates bodythink whale blubber!“Let’s go to the video tape!”(play movie here)2005-2006AP BiologySaturated fatsAll C bonded to HNo C=C double bondslong, straight chainmost animal fats solid at room temp....
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This note was uploaded on 10/22/2011 for the course BIOL 1 taught by Professor B during the Spring '11 term at Texas Tech.

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06Ch05lipids2005 - 2005-2006AP BiologyLipids2005-2006AP...

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