In the presence of carbon dioxide:
A)the formation of bicarbonate causes oxygen to bind more tightly to hemoglobin
B)hemoglobin changes shape,giving up oxygen more readily
C)hemoglobin is not able to bind with bicarbonate
D)hemoglobin dissociates

Question

Quizplus · Accepted Answer

In the presence of carbon dioxide, hemoglobin changes its shape, which facilitates the release of oxygen to the tissues. This is part of the Bohr effect, where increased CO2 concentrations lead to a decrease in pH, promoting oxygen release from hemoglobin.

In the Presence of Carbon Dioxide