HSBC Trade Services is an important operation within the HSBC Group. Supported by electronic delivery, it provides specialist services and tailored solutions for customers involved in international trade. HSBC Trade Services provides a partnership role designed to help organisations manage the processes for effective trading in an increasingly complex trading world, using global reach and local knowledge. Its position of expertise ranks HSBC as one of the largest trade services organisations in the world within an international network of banks.

11. How can the binding of two amino acids into a peptide formation be described?

12. What is the bond between two amino acids called?

13. Are the -R groups bound to the central carbon atoms involved in the bond between amino acids?

14. Are the -H groups bound to the central carbon atoms involved in the peptide bond?

15. Are the amine and the carboxyl groups attached to central carbon atoms involved in the bond between amino acids?

16. Does the chemical reaction to bind amino acids incorporate or release atoms? What are the chemical entities incorporated or released during this reaction?

17. Can the same amount of amino acids create different proteins?

18. Are proteins with the same number of their respective amino acid components necessarily identical?

19. What is the essential condition for one protein molecule to be identical to another protein molecule?

20. What is the primary structure of a protein? What is the importance of the primary structure?