Molecules That Serve as Chemical Signals to Open or Close

question 79

Multiple Choice

Molecules that serve as chemical signals to open or close gated ion channels are

• A)responders.
• B)ligands.
• C)isotopes.
• D)communicators.
• E)membrane potentials.

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Definitions:

Testosterone

A steroid hormone primarily found in males, responsible for the development of male sexual characteristics and reproductive functions.

Dopamine

A neurotransmitter associated with movement, attention, learning, and the brain's pleasure and reward system.

Adrenaline

A hormone and neurotransmitter produced by the adrenal glands that increases heart rate, muscle strength, blood pressure, and sugar metabolism, often associated with the 'fight or flight' response.

Social Exchange Theory

The theory that our social behavior is an exchange process, the aim of which is to maximize benefits and minimize costs.