Sweetness, Bitterness and Umami Receptors Operate By

question 45

Multiple Choice

Sweetness, bitterness and umami receptors operate by:

• A) closing potassium channels.
• B) depolarizing the membranes.
• C) activating a protein which causes the release of a second messenger.
• D) simply permitting sodium ions to cross their membranes.

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Definitions:

Benzodiazepine Sedative

A class of psychoactive drugs known to have calming effects, which are used to treat conditions like anxiety, insomnia, and seizures.

Psychoactive Drug

A substance that chemically alters brain activity, leading to changes in how we perceive things, feel, remain conscious, think, or act.

Sleeping Aid

A substance or method used to help an individual fall asleep or improve the quality of sleep.

Potent Stimulant

A substance that dramatically increases alertness, attention, and energy by stimulating the central nervous system.