How can amino acids act as buffers?

Related questions

1. What does the pKa tell you?
2. What does a pKa value tell you?
3. How are amino acids synthesized?
4. How does pH affect amino acids?
5. What is physiological pH amino acids?
6. Does a weak acid have a high or low pKa?
7. What happens to amino acids in acidic conditions?
8. What are Zwitterions of amino acids?
9. What is the difference between an amino acid and an amino acid residue?
10. Which amino acids are charged?

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1. #h2nchrcooh
2. #characteristic
3. #react
4. #bases
5. #point
6. #general
7. #isoelectric
8. #formula
9. #constant
10. #where
11. #added
12. #ionic
13. #because
14. #intermediate
15. #acids
16. #amino
17. #buffer
18. #nearly
19. #their
20. #chain