The greatest buffering capacity at physiological p H would be provided by a protein rich in which of the following amino acids?

The greatest buffering capacity at physiological p H would be provided by a protein rich in which of the following amino acids?

Q. The greatest buffering capacity at physiological p H would be provided by a protein rich in which of the following amino acids?

A.            Serine

B.            Cysteine

C.            Alanine

D.            Histidine

Answer: Histidine

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