During Light Detection in a Photoreceptor, Light Directly Causes What

question 18

Multiple Choice

During light detection in a photoreceptor, light directly causes what molecular change?

• A) a retinal change from cis to trans conformation
• B) breakdown of ATP to ADP
• C) increase in cGMP levels
• D) inactivation of phosphodiesterase
• E) increase in Na⁺ entry into the photoreceptor

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Definitions:

Perfect Competitor

A theoretical market structure where numerous small firms compete against each other with no single company controlling the market price.

Long Run

A period in economics sufficient for all markets to adjust, including production, labor, and capital.

Marginal Revenue

The additional income received from selling one more unit of a product.

Output

The total amount of goods and services produced by an economic system over a specific period.