BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Quaternary structure is the interaction of two or more folded polypeptides. Many proteins require the assembly of several polypeptide subunits before they become active. If the final protein is made of two subunits, the protein is said to be a dimer.

Detailed explanation-2: -Quaternary structure However, some proteins are made up of multiple polypeptide chains, also known as subunits. When these subunits come together, they give the protein its quaternary structure.

Detailed explanation-3: -Hemoglobin. Hemoglobin has a quaternary structure. It consists of two pairs of different proteins, designated the and chains.

Detailed explanation-4: -The ensemble of formations and folds in a single linear chain of amino acids-sometimes called a polypeptide-constitutes the tertiary structure of a protein. Finally, the quaternary structure of a protein refers to those macromolecules with multiple polypeptide chains or subunits.