How do you explain the amphoteric behavior of amino acids?

Related questions

1. Are all amino acids Zwitterions?
2. What determines the properties of amino acids?
3. What are the nine essential amino acids?
4. What is the purpose of the R groups of the amino acids?
5. What is zwitterionic form of amino acid?
6. What is a zwitterion in relation to amino acids?
7. What effect does the R group have on the properties of an amino acid?
8. What does the R represent in an amino acid?
9. What is the role of amino acids in protein synthesis?
10. Are all amino acids Zwitterions at pH 7?

Tags

1. #group
2. #posutive
3. #amino
4. #formation
5. #charges
6. #solution
7. #proton
8. #moeity
9. #accept
10. #explained
11. #acids
12. #aqueous
13. #therefore
14. #which
15. #results
16. #negative
17. #behaviour
18. #amphoteric
19. #present
20. #state
21. #carboxyl