Hemoglobin, When Subjected to 40% Acetonitrile at PH 10

Multiple Choice

Hemoglobin, when subjected to 40% acetonitrile at pH 10.0, loses its quaternary structure, which means the ________.

A) four α and β polypeptides dissociate
B) peptide bonds between amino acids break
C) α and β polypeptides lose their 3-D structure
D) four α and β polypeptides dissociate, peptide bonds between amino acids, and α and β polypeptides lose their 3-D structure