What Is the Smallest Number of Photons of Light That

question 1

Multiple Choice

What is the smallest number of photons of light that are able to elicit a change in membrane potential in a photoreceptor?

• A) 1
• B) 2
• C) 5
• D) 50

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Definitions:

Pesos

The currency unit used in several countries, notably Mexico and Argentina, among others.

U.S. Demand

This term generally refers to the total demand for goods and services within the United States from all sources, including households, businesses, and the government.

Foreign Currency

Money or other forms of currency issued by governmental or monetary authorities of countries other than one's own.

Foreign Goods

Products and services that are produced in other countries and then imported into the domestic market.