Practice question
Question
Which amino acid has a pKR value that allows it to act as a buffer at physiological pH?
Explanation
Histidine is obtained by applying the relevant formula or quantitative relationship to the given parameters. In Titration of Amino Acids, numerical problem-solving requires understanding the mathematical relationships between biological variables. The calculation involves substituting the provided values into the appropriate equation and solving systematically. The other options (Glutamate, Arginine, and Lysine) result from common calculation errors such as using incorrect formulas, misidentifying variables, inverting ratios, or making arithmetic mistakes.
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