Question 1 (2 points) In the phospholipid bilayer, which part of the membrane creates the hydrophobic region? The phosphate group neither The lipid tails both Question 2 (2 points) Which of the following molecules. would be considered nonpolar? Carboxylic Acid Carbonyls Methyl Group Hydroxyl

The lipid tails are the stars of the phospholipid bilayer, creating that cozy hydrophobic region. These long, fatty acid chains avoid water like it's a cold shower, helping to maintain the structure of the membrane and playing a crucial role in cellular function. When it comes to nonpolar molecules, the methyl group takes the crown! Unlike carboxylic acids, carbonyls, and hydroxyls—which all contain electronegative atoms attracting electrons, making them polar—methyl groups happily dance around in a balanced electron hug, keeping things nice and nonpolar in your molecules.