5. A teacher has four liquids, with the densities shown in the table. She carefully pours the water, corn syrup, rubbing alcohol, and vegetable oil into a beaker. The liquids form 4 layers in the beaker, as shown below. Density (o/cm) 1.00 1.33 Liquld Water Layer 1- Layer 2- Layer 3- Layer 4- Corn Syrup Rubbing Alcohol Vegetable Oil 0.79 0.92 Which liquid will be in Layer 3? (6.6B, 6.4A) A. Water B. Corn Syrup

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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.