Two thirds of the total body iron is bound to __________ in the hemoglobin molecule.

Question

Quizplus · Accepted Answer

Heme is the iron-containing portion of the hemoglobin molecule where two-thirds of the body's total iron is bound. Globin is a protein component of hemoglobin but does not contain iron, while transferrin and hemopexin are transport proteins for iron and do not directly bind to hemoglobin. Therefore, the correct answer is C) Heme.

Two Thirds of the Total Body Iron Is Bound to __________