Prolactin Is a Hormone Whose Molecular Structure Has Remained Stable

question 53

Multiple Choice

Prolactin is a hormone whose molecular structure has remained stable over evolutionary time but whose hormonal role has changed dramatically in different animal species. This is an excellent example of how evolution

• A) is responsible for mutation in vertebrates.
• B) occurs rapidly at the molecular level to keep up with changing environmental influences.
• C) has stayed within narrow boundaries in regard to regulation of homeostasis.
• D) can both preserve unity and promote diversity.

---

Definitions:

Presenting Challenges

The initial problems or difficulties that a person or group reports or exhibits.

Cultural Differences

Cultural differences encompass the variety of behaviors, values, practices, and beliefs that distinguish one group of people from another, influenced by societal norms, history, and traditions.

Healthy Self-Concept

An individual's positive perception of self, encompassing self-esteem, self-worth, and a balanced understanding of one's strengths and weaknesses.

Confronting Incongruities

The act of addressing or challenging inconsistencies between beliefs, perceptions, and behaviors.