Chemistry - Biomolecules Question with Solution | TestHub

Hemoglobin is an iron-containing metalloprotein found in red blood cells, responsible for the transport of oxygen in the body.

The central metal ion in the heme group of hemoglobin is iron (specifically ${\text{Fe}}^{+2}$ in its active state). Among the given options, the iron species is the correct choice.

Answer: ${\text{Fe}}^{+3}$