When Oxygen Binds to Hemoglobin,which of the Following Occurs

question 103

Multiple Choice

When oxygen binds to hemoglobin,which of the following occurs?

• A) The heme group becomes puckered.
• B) The atomic radius of the iron is decreased.
• C) His F7 is brought closer to the plane of the porphyrin ring.
• D) His E8 is brought closer to the plane of the porphyrin ring.

---

Definitions:

Voltage Drop

The decrease in electrical potential along the path of a current flowing through an electrical circuit, indicating resistance or a possible issue.

Direct Current

Electrical current that flows in one constant direction, typical of battery power and contrasted with alternating current (AC).

Amperage

The strength of an electric current measured in amperes.

Electrical Pressure

Another term for voltage, indicating the potential difference or force that causes current to flow in a circuit.