Which of the Following Is a Characteristic of Hemoglobin

question 18

Multiple Choice

Which of the following is a characteristic of hemoglobin?

• A) It is composed of four identical polypeptide chains.
• B) There is one heme group per active Hb molecule.
• C) Oxygen and carbon dioxide compete for the same binding site on heme.
• D) It is an elongated, fibrous-type protein, hence is not very soluble in water.
• E) Binding of oxygen to Hb results in change in the pKa of certain histidine residues toward lower values.

---

Definitions:

Institutional Collectivism

The degree to which organizational and societal institutional practices encourage and reward collective distribution of resources and collective action.

Uncertainty Avoidance

A cultural dimension that describes the extent to which people in a society are uncomfortable with ambiguity, risk, and uncertainty, leading to a preference for structured situations and clear rules.

Gender Equality

The state in which access to rights or opportunities is unaffected by gender, ensuring fairness for all genders.

Assertiveness

The quality of being confident and direct in claiming one's rights or putting forward one's views.