When Oxygen Binds to a Heme-Containing Protein, the Two Open

question 19

Multiple Choice

When oxygen binds to a heme-containing protein, the two open coordination bonds of Fe²⁺ are occupied by:

• A) one O atom and one amino acid atom.
• B) one O₂ molecule and one amino acid atom.
• C) one O₂ molecule and one heme atom.
• D) two O atoms.
• E) two O₂ molecules.

---

Definitions:

Physical Disability

A condition that limits a person's physical functioning, mobility, dexterity, or stamina, impacting their daily activities and life.

Promotion

The advancement of an employee within a company to a higher position, which often comes with increased responsibilities and salary.

Competitive Advantage

The attributes or conditions that allow a company to produce goods or services better or more cheaply than its rivals.

Diversity Management

The process of acknowledging, understanding, and valuing differences among people in the workplace including race, gender, age, nationality, and others, to achieve better business performance.