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Proteins: Definition and Chemical Composition • BNS Institute Proteins are high molecular weight polymers composed primarily of carbon, hydrogen, oxygen, nitrogen, and sulfur, with some proteins containing phosphorus They are made up of amino acids linked by peptide bonds, forming polypeptides The fundamental building blocks of proteins are 20 different alpha-amino acids, which, when combined in various sequences, create a diverse range of proteins
Protein Composition and Structure - Biology LibreTexts DNA encodes for a string of one-dimensional amino acids that translate into three-dimensional proteins Proteins have primary, secondary, and tertiary structures The primary structure consists of amino acids that are linked by peptide bonds and form linear chains of polypeptides Secondary structure is the make up of polypeptide chains that fold up into 3D structures Tertiary structures are
Proteins: Composition and Structure | Macromolecules In this article we will discuss about the composition and structure of proteins Composition of Proteins: Proteins are large molecules consisting of many amino-acids connected by “peptide linkages” Peptide bond is produced when carboxyl radical of one amino acid reacts with the amino (-NH 2) group of the other amino acid The basic structural formula of amino acids is shown in Fig 4 1
PowerPoint Presentation structure and properties of amino acids properties of peptide bond secondary structure tertiary structure quaternary structure protein folding