A Common Light-Sensitive Pigment That Absorbs Light and Changes Shape

question 26

Multiple Choice

A common light-sensitive pigment that absorbs light and changes shape thereby altering the charge across the membrane of a photoreceptor is:

• A)Carotene
• B)Chlorophyll
• C)Glutamate
• D)Rhodopsin
• E)Tyrosine

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Definitions:

Common Stock

Equity securities representing ownership in a corporation, providing voting rights, and a dividend claim on earnings.

Cumulative Nonparticipating Preferred Stock

Preferred stock that accumulates unpaid dividends, which must be paid out before dividends can be distributed to common stockholders, but does not participate beyond the fixed dividend.

Cash Dividends

A redistributive payment of a portion of a company's earnings, made in cash, to its shareholders.

Stockholders' Equity

The residual interest in the assets of a corporation after deducting liabilities, equal to the share capital plus retained earnings.