Sigma (σ)Factors Can Regulate the Initiation of Transcription

question 20

Multiple Choice

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

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

---

Definitions:

GAAP

Generally Accepted Accounting Principles, a set of rules and guidelines that companies follow to ensure their financial statements are consistent and transparent.

Right of Return

A policy that allows customers to return purchased goods within a specific period for a refund, exchange, or credit.

Revenue Recognition

The accounting principle detailing the specific conditions under which revenue is recognized and recorded.

Reasonably Estimated

A concept that pertains to the feasibility of approximating a figure or amount in the absence of precise or complete information, often used in accrual accounting.