South Carolina EOCEP Biology 1 Practice Questions - South Carolina End-of-Course Examination Program Biology 1 Exam

Hydrophilic heads face outward toward water, while hydrophobic tails face inward away from water. Hydrophobic heads face outward toward water, while hydrophilic tails face inward away from water. Both heads and tails face outward toward the intracellular fluid. Phospholipids assemble in single-layer spheres with nonpolar heads touching water.