When sigma subunit dissociates from the RNA polymerase what happens to – McqOptions

MCQOPTIONS

1.	When sigma subunit dissociates from the RNA polymerase what happens to the DNA binding clamp of the core?
A.	It opens again
B.	It closes again
C.	It enters a semi open stage
D.	It is phophorylated and ubiquitination occurs
Answer» E.

Discussion

No Comment Found

Related MCQs

If a bacteria is facing lack of carbon sources in the media, which sigma factor concentration is expected to increase?
You artificially increase the level of <sup>32</sup> in an E. coli culture. What will you expect to see?
Which sigma factor is bound to Rse A?
Which DNA binding domain is seen in region 4.2 of sigma factor?
We know that region 2.4 of sigma factor binds DNA at -10box. What is the function of 2.1?
Loosening the binding between polymerase and non-specific site is important to confer higher specificity. In Bacillus subtilis what is responsible for this action?
What is the function of 1<sup>st</sup> subunit of sigma factor in <sup>70</sup> and <sup>43</sup>?
Which is the primary sigma factor in Bacillus subtilis?
In an experiment you wrongly added Rifampicin antibiotic to Rifampicin sensitive bacteria. You try to correct your mistake by adding more core subunits (resistant to Rifampicin) to your mixture. What would you expect to see?
When sigma subunit dissociates from the RNA polymerase what happens to the DNA binding clamp of the core?