Articles > Quizzes & Surveys > Protein definition – quiz Protein definition – quiz Quiz Choose the best answer. 1. Proteins are made up of ... Amino acids Nucleic acids Fatty acids 2. Non-peptide groups in a protein Cofactors DNA Polypeptide 3. The transition of a protein from one structure to another Cofactor Conformational change Catalysis 4. The process of creating a protein molecule Conformation Transcription Protein synthesis 5. Which of the following is NOT a protein function? Serve as a structural component, such as keratin Catalyze biochemical reactions, such as enzymes Possess genetic code, such as DNA Send Your Results (Optional) Your Name To Email Time is Up!