The Two Major Categories of Extracellular Signaling Molecules That Bind

question 18

Multiple Choice

The two major categories of extracellular signaling molecules that bind to cell surface receptors are ____.

• A) peptide hormones and steroid hormones
• B) steroid hormones and neurotransmitters
• C) neurotransmitters and vitamins
• D) growth hormones and vitamins
• E) peptide hormones and neurotransmitters

---

Definitions:

Genetic Predispositions

The inherited traits that may increase the likelihood of developing certain diseases or conditions.

Social Rewards

Benefits or positive feedback received from social interactions, such as acceptance, recognition, or love, encouraging certain behaviors.

Learned Helplessness

A scenario where someone experiences feelings of being powerless, due to either a distressing event or ongoing failure in their endeavors.

Controllable Negative Events

Negative occurrences that an individual believes they have the power to influence or change.