Name ______________________________________ Ch. 5 Study Guide (Protein Structure) 1. Proteins are polymers composed of _________________ ___________________. 2. Draw an amino acid. Label the carboxyl group, the amino group, and the R group. 3. What makes one amino acid different from another amino acid? 4. What determines how an amino acid will interact with other amino acids in a protein chain? 5. How many different amino acids are found in proteins? 6. Draw a polypeptide and label the peptide bonds. 7. What determines the primary structure of a protein? 8. What determines the secondary structure of a protein? a. What causes alpha helices? b. What causes beta sheets? 9. What determines the tertiary structure of a protein? 10. What gives a protein quaternary structure? 11. Describe the quaternary structure of hemoglobin.