Which statement is false about the heme group? A) When oxygen binds to heme, the iron ion is oxidized from Fe²⁺to Fe³⁺. B) If exposed to air, a free heme group not associated with hemoglobin) is readily oxidized converting Fe²⁺to Fe³⁺and can no longer bind oxygen. C) The heme group is tightly, but non-covalently, held in myoglobin molecule. D) The chemical structure of the heme groups in myoglobin and hemoglobin are identical.

Question

Quizplus · Accepted Answer

When oxygen binds to heme, the iron ion is reduced from Fe³⁺to Fe²⁺.

Which Statement Is False About the Heme Group