The vibrational energy of a molecule is measured in 3 experiments. In the first it is measured for 10 seconds, in the second for 2 minutes, and in the 3rd for 0.5 hours. In which experiment was the uncertainty in the measured energy of the molecule least? O a. all the same Ob. first Oc. second O d. third

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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.