Which of the Following Statements About the Binding of Oxygen

question 32

Multiple Choice

Which of the following statements about the binding of oxygen to deoxyhemoglobin is correct

• A) The binding of oxygen to Fe²⁺ in the first heme pulls the iron ion into the porphyrin ring, decreasing the affinity for the second oxygen.
• B) The binding of oxygen to Fe²⁺ in the first heme pushes the iron ion out of the porphyrin ring, decreasing the affinity for the second oxygen.
• C) The binding of oxygen to Fe²⁺ in the first heme pulls the iron ion into the porphyrin ring, increasing the affinity for the second oxygen.
• D) The binding of oxygen to Fe²⁺ in the first heme pushes the iron ion out of the porphyrin ring, increasing the affinity for the second oxygen.
• E) Oxygen does not bind to deoxyhemoglobin.

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Agrarian

Pertaining to agriculture or the agricultural way of life.

Democratic Societies

Communities or nations characterized by a political system in which power is vested in the people, who rule either directly or through freely elected representatives.

Washington Administration

The period of George Washington's presidency from 1789 to 1797, marked by the establishment of many protocols in the executive branch of the U.S. government.

Republicanism

A political ideology centered around the concept of a republic, where the government's authority comes from the consent of the governed rather than inherited monarchial power.