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| Description: Cholic acid, a typical bile acid, ionizes to give its cognate bile salt. The hydrophobic surface of the bile salt molecule associates with triacylglycerol, and several such complexes aggregate to form a micelle. The polar surface of the bile salts faces outward, allowing the micelle to associate with pancreatic lipase/colipase. Hydrolytic action of this enzyme frees the fatty acids to associate in a much smaller micelle that can be absorbed through the intestinal mucosa. Picture Stats: Views: 273 Filesize: 200.19kB Height: 375 Width: 909 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34609 |