For Many Years, _______ Was the Only Member of the GPCR

question 20

Multiple Choice

For many years, _______ was the only member of the GPCR superfamily to have its X-ray crystal structure determined.

• A)rhodopsin
• B)the steroid receptor
• C)the insulin receptor
• D)the glucagon receptor
• E)the endocrine receptor

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Definitions:

Primary Color

Fundamental colors (typically red, yellow, and blue) that cannot be created by mixing other colors and from which other colors can be derived.

Trichromatic Theory

A theory of color vision that suggests the human eye has three types of receptors sensitive to different wavelengths of light, corresponding to red, green, and blue colors.

Afterimage

A visual image or illusion that continues to appear in one's vision after the exposure to the original image has ceased.

Opponent-Process Theory

A psychological and neurological model that explains complex behaviors and perceptions (including color vision and emotions) as the result of opposing pairs of stimuli.