A group of several amino acids bonded together is called a polypeptide.
Amino acids are the building blocks of proteins, and when they bind together through peptide bonds, they form long chains known as polypeptides. These chains can vary in length and can be composed of hundreds or even thousands of amino acids. Once a polypeptide reaches a certain length and folds into a specific shape, it can be considered a functional protein. The sequence of amino acids in the polypeptide chain determines the protein’s structure and function, making it a crucial aspect of biology and biochemistry.