Proteins and Polypeptides – Basics, Structures, Functions, and Properties Proteins are organic compounds that contain four elements: nitrogen, carbon, hydrogen, and oxygen To comprehend the full scope of proteins, it is crucial to understand various properties, including the basic biological molecule, peptides, polypeptide chains, amino acids, protein structures, and the processes of protein denaturation
Protein | Definition, Structure, Classification | Britannica Proteins provide many of the structural elements of a cell, and they help to bind cells together into tissues Proteins, in the form of antibodies, protect animals from disease, and many hormones are proteins Proteins control the activity of genes and regulate gene expression
What Are Proteins? Protein Definition, Functions, Examples Proteins are a large class of biomolecules and macromolecules consisting of chains of amino acids called polypeptides While simple proteins consist of a single polypeptide, many proteins consists of multiple polypeptide subunits
Physiology, Proteins - StatPearls - NCBI Bookshelf Proteins are biopolymeric structures composed of amino acids, of which 20 are commonly found in biological chemistry Proteins serve as structural support, biochemical catalysts, hormones, enzymes, building blocks, and initiators of cellular death
9 Important Functions of Protein in Your Body - Healthline Protein helps repair and build your body’s tissues It drives metabolic reactions, maintains pH and fluid balance, and keeps the immune system strong It also transports and stores