If PH Increases in a Protein Buffer System, Which of the Following

question 37

Multiple Choice

If pH increases in a protein buffer system, which of the following is most likely to occur?

• A) The amino group of the amino acid accepts an additional hydrogen ion.
• B) Carbon dioxide is converted to carbonic acid.
• C) The carboxyl group of the amino acid dissociates, releasing a hydrogen ion.
• D) In solution, dihydrogen phosphate reversibly dissociates into a hydrogen ion and monohydrogen phosphate.
• E) Carbonic acid dissociates into hydrogen ions and bicarbonate ions.

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