The Activation of Light-Sensitive Retinal Proteins in Our Eyes Signals

question 65

Multiple Choice

The activation of light-sensitive retinal proteins in our eyes signals our brains to decrease production of

• A) melatonin.
• B) serotonin.
• C) acetylcholine.
• D) dopamine.

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Definitions:

Inferior Good

A type of good for which demand decreases when the income of the consumer increases, inversely related to consumer income.

Inferior Good

A type of good for which demand decreases as the income of consumers increases, in contrast to a normal good.

Inferior Goods

A good that has a negative income elasticity, so that as consumer income rises, the demand for the good falls.

Normal Goods

Goods for which demand increases as the income of individuals increases.