Which Statement About G Protein-Coupled Receptors Is False

question 30

Multiple Choice

Which statement about G protein-coupled receptors is false?

• A) Each receptor has seven transmembrane regions.
• B) They are involved in light and odor detection.
• C) They have an extracellular side and a cytoplasmic region.
• D) Their ligands bind to the cytoplasmic region, which also binds to a G protein.
• E) Ligand binding changes the shape of the G protein attached to the receptor.

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Definitions:

Self-actualization

The realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.

Productivity

The measure of efficiency in which goods or services are created, often evaluated as the output per unit of input.

Fulfillment

A feeling of satisfaction or happiness as a result of fully developing one's abilities or character.

Deficit Principle

A principle that suggests that once a relatively satisfied need is no longer met, it will re-emerge and become the dominant motivator of behavior.