damp metal pieces Part B damp metal pieces Part B volumetric flask Part A metal sheets Part C volumetric flask Part A Return to correctly labeled "drying out" beaker. damp metal pieces Part B Place used items in the drawer. Rinse with deionized water, dry as best you can, return to the instructor. calcium chloride solutions Part A Pour down the sink with plenty of running water. Return used material to the instructor. Pour into aqueous waste container. Place used items in garbage. Answer Bank calcium chloride solutions Part A volumetric flask Part A damp metal pieces Part B metal sheets Part C

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Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.