Which Statement Is False About the Heme Group

question 9

Multiple Choice

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.

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Definitions:

Moral Obligation

A duty or commitment that arises from ethical or moral principles, compelling an individual to act in a certain way.

Annas And Grodin

A reference to George J. Annas and Michael A. Grodin, notable figures in bioethics known for their contributions to the field.

Informed Consent

The process by which individuals are given information about a medical intervention, its risks and benefits, and voluntarily agree to undergo it.

Developing Nation

A country with a less developed industrial base and a lower Human Development Index compared to other countries, often characterized by a lower standard of living and lesser economic resources.