Articles > Polypeptide definition – quiz Polypeptide definition – quiz Quiz Choose the best answer. 1. A polypeptide is ... A polymer of amino acids joined together by chemical bonds A polymer of nucleic acids joined together by chemical bonds A polymer of fatty acids joined together by chemical bonds 2. Larger polypeptides or more than one polypeptide that occur together Carbohydrates Proteins Nucleic acids 3. The chemical bond in a polypeptide Peptide bond Glycosidic bond Ester bond 4. The 3-dimensional form of a polypeptide Primary structure Secondary structure Tertiary structure 5. Membrane proteins that take up small peptides into the cell Transporters Enzymes Hormones Send Your Results (Optional) Your Name To Email Time is Up!