Sigma (A)factors Can Regulate the Initiation of Transcription

question 32

Multiple Choice

Sigma (a) factors can regulate the initiation of transcription. Which of the following is NOT an example of a regulation?

• A)Bacteriophages may code for specific a factors that bind the core RNA polymerase and result in recognition of viral promoters.
• B)There are many a sigma factors associated with eukaryotic organisms.
• C)Some a factors recognize genes necessary for nitrogen utilization.
• D)Some a factors recognize promoters for genes whose products are necessary when the organism is under stress, such as heat shock.

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Definitions:

Budget Line

A graphical representation of all possible combinations of two goods that an individual can afford given their income and the prices of the goods.

Indifference Map

A graphical representation in microeconomics, illustrating different bundles of goods between which a consumer is indifferent, showing preferences.

Total Utility

The overall satisfaction or benefit a consumer receives from consuming a specific quantity of a good or service.

Budget Line

A visual depiction showing every potential mix of two products that a specific income and price levels can buy.