Chemical Messengers That Bind to Specific Binding Sites on Cell

question 14

Multiple Choice

Chemical messengers that bind to specific binding sites on cell surfaces and bring about a change in the cell's activity are called

• A) caveolae.
• B) cell adhesion molecules.
• C) flagella.
• D) ligands.

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Definitions:

Hippocampus

The hippocampus is a brain structure involved in the formation of new memories and is also associated with learning and emotions.

Fornix

A C-shaped structure in the brain, part of the limbic system, that acts as a major output tract of the hippocampus.

Amygdala

A part of the brain involved in processing emotions, including fear and pleasure.

Substantia Nigra

(sub-STAN-sha NI-gra) The structure in the midbrain that controls unconscious motor movements.