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.

Question

Quizplus · Accepted Answer

Sigma factors are primarily associated with prokaryotic organisms, not eukaryotic organisms.

Sigma (A)factors Can Regulate the Initiation of Transcription