Problem: Which of the following statements about a micelle and a ipid bilayer is NOT true?A. Both assemble spontaneuosly in water.B. Both are made up of amphipathic molecules.C. Both are very large, sheetlike structures.D. Both are stabilized by hyrdophobic interaction, van der Waals forces, hydrogen bonds, and electrostatic interactions.

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Micelles and lipid bilayer are structures made up mostly of phospholipids, a type of lipid that contains two fatty acid groups along with a phosphate group attached as substituents to a glycerol molecule.

The phospholipid compostion gives them amphipathic character. This means that they have both polar and nonpolar parts. The nonpolar character is from their fatty acid component while the polar character is from the phosphate group. These structures are formed in the presence of water due to hydrophobic interactions: the nonpolar tails are moved away from the polar environment of water, and thus take a globular form.

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Problem Details

Which of the following statements about a micelle and a ipid bilayer is NOT true?

A. Both assemble spontaneuosly in water.

B. Both are made up of amphipathic molecules.

C. Both are very large, sheetlike structures.

D. Both are stabilized by hyrdophobic interaction, van der Waals forces, hydrogen bonds, and electrostatic interactions.

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