Respuesta :
Hemoglobin is the protein macromolecules in charge of carrying oxygen in the blood.
It has 4 heme groups and 4 polypeptide chains(2alpha 2 beta). O2 molecules bind to the iron molecules in the heme group.
Hope this helps:)
It has 4 heme groups and 4 polypeptide chains(2alpha 2 beta). O2 molecules bind to the iron molecules in the heme group.
Hope this helps:)