Proteins: Structure and Function

This lecture explores the structure and function of proteins, which are essential molecules in living organisms. Proteins are polymers made of amino acids, each with a unique three-dimensional shape that determines its specific role in the body. The lecture covers the primary, secondary, tertiary, and quaternary structures of proteins, as well as the different types of proteins such as structural, storage, contractile, and transport proteins. It also delves into the role of enzymes in catalyzing chemical reactions. The importance of protein folding and the significance of hydrogen bonds in protein structure are discussed, along with examples of protein structures like the alpha helix and beta sheet. The lecture concludes with insights into protein solubility and membrane embedding, emphasizing the diverse functions proteins perform in biological systems.