Biochemistry Which one of the following is the amino acid in Hb that accepts H+ and allows Hb to act as a buffer to acids? A Alanine B Histidine C Serine D Threonine 💡 Explanation Which one of the following is the amino acid in Hb that accepts H+ and allows Hb to act as a buffer to acids? ✓ Correct Answer: B. Histidine