Bioluminescence Is Controlled by the Gene Regulatory Mechanism Called Quorum

question 77

Multiple Choice

Bioluminescence is controlled by the gene regulatory mechanism called quorum sensing,wherein the

• A) depletion of oxygen is detected by an inducer molecule which activates transcription of the lux operon.
• B) accumulation of an inducer molecule activates transcription of the lux operon.
• C) absence of light activates an inducer molecule which activates transcription of the lux operon.
• D) host tissues produce an autoinducer molecule which activates transcription of the lux operon.

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Definitions:

Deteriorating Earnings

A condition where a company experiences a decline in profitability and earnings over time.

Dividend Income

Income received from owning shares of a company that pays dividends, which is a portion of the company's earnings distributed to shareholders.

Dividend Preference Theory

A theory that suggests investors prefer dividends over future capital gains because dividends provide certainty.

"A bird in hand"

A principle implying that it is better to have a certain, smaller benefit now than a possibility of a greater benefit later, often used in dividend policy discussions.