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Ashutosh Kumar behera Asked a Question
January 2, 2021 12:41 pmpts 30 pts
which of the following amino acid if added to an acidic solution will have buffer action on solution at the physiological pH? a. Alanine b. Glycine C. Histidine d. Arginine
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  • Narayan singh thankyou
    Protein buffers in blood include haemoglobin (150g/l) and plasma proteins (70g/l). Buffering is by the imidazole group of the histidine residues which has a pKa of about 6.8. This ...
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  • Anup Padwal Best Answer
    Histidine is an important amino acid, because its side chain has a pKa near the physiological pH, so it can participate as a buffer of blood pH.
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