Which of the Following Is True of Photoreceptors in the Retina

question 22

Multiple Choice

Which of the following is true of photoreceptors in the retina?

• A) They contain opsin proteins that participate in visual signal transduction.
• B) They respond to a light stimulus by depolarizing rather than hyperpolarizing.
• C) They fire action potentials.
• D) All of the above are true.

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Definitions:

Unit Of Account

A standard numerical monetary unit of measurement that provides a consistent way of quoting prices and conducting economic transactions.

M1

A category of the money supply that includes physical currency and coin, demand deposits, traveler's checks, and other checkable deposits.

Savings Deposits

accounts held at financial institutions that allow deposits and withdrawals and are subject to modest interest rates.

Commodity Money

Money that has intrinsic value and can be used for purposes other than as a medium of exchange, such as gold or silver.