This biology video introduces the four major classes of biological macromolecules: carbohydrates, lipids, proteins, and nucleic acids. Students explore how molecules such as starch, fats, amino acids, DNA, and RNA contribute to energy storage, cell structure, genetic information, and essential cellular processes.

polymers carbohydrates function Proteins Lipids Biochemistry Amino acids fats nucleotides nucleic acids macromolecule monomers monosaccharide advanced bio