👉 A peptide is a long, single-stranded RNA molecule composed of amino acids. Peptides are one of the major types of biomolecules in living organisms, and they have numerous biological functions. In biological terms, a peptide is like a small piece of string that can be broken down into smaller pieces to form larger molecules. Proteins are made up of peptides, which are the building blocks of proteins. Peptide bonds link amino acids together in the correct sequence to form a protein. The term "
