amphipathic folds

Amphipathic folds describe structures in molecules, like certain proteins or lipids, that have both water-attracting (hydrophilic) and water-repelling (hydrophobic) parts. This dual nature causes the molecule to fold in a way that the water-loving regions face outward, interacting with water, while the water-repelling regions tuck inward, shielded from water. This configuration is essential for many biological functions, such as forming cell membranes where the outer layer shields the cell with a hydrophilic exterior and a hydrophobic interior, creating barriers and facilitating communication within and between cells.