Hemoglobin, the principle oxygen-carrying molecule in red blood cells, carries the two oxygen and carbon dioxide. Nevertheless, the CO2 certain to hemoglobin would not bind to the identical web-site as oxygen. Instead, it combines While using the N-terminal groups to the 4 globin chains. Nevertheless, because of allosteric effects https://www.youtube.com/watch?v=buIHtQY7fCU