AP® Biology

Introduction Macromolecules—carbohydrates, proteins, nucleic acids, and lipids—are indispensable to life. They form the structural framework … Read more

Introduction Welcome to your AP® Biology review on common macromolecule monomers! Understanding these basic building … Read more

Introduction Monomers may be tiny, but they play a powerful role in making up the … Read more

Introduction Water is essential for life on Earth. From regulating our body temperature to dissolving … Read more