Dive deep into the world of biological molecules in this comprehensive 2.5-hour video lecture covering the Ethiopian Grade 11 Biology Unit 2 curriculum. Explore the fundamental building blocks of life, starting with an introduction to biochemical molecules. Delve into the structure, function, and importance of carbohydrates, lipids, and nucleic acids. Gain a thorough understanding of these essential components and their roles in biological systems, preparing you for advanced studies in biology and related fields.