If the O₂-Binding Curves Were Plotted for Adult Hemoglobin Under

Multiple Choice

If the O₂-binding curves were plotted for adult hemoglobin under the following conditions, which curve would be to the right of all the others?

A) pH 7.6, little 2,3-bisphosphoglyceric acid
B) pH 7.6, much 2,3-bisphosphoglyceric acid
C) pH 7.2, little 2,3-bisphosphoglyceric acid
D) pH 7.2, much 2,3-bisphosphoglyceric acid
E) pH 7.4, little 2,3-bisphosphoglyceric acid