Which statement about E. coli RNA polymerase (core enzyme) is FALSE?
A) In the absence of the $\sigma$ subunit, core polymerase has little specificity for where initiation begins.
B) The core enzyme contains several different subunits.
C) The core enzyme has no polymerizing activity until the $\sigma$ subunit is bound.
D) The RNA chain grows in a 5' $\rightarrow$ 3' direction.
E) The RNA product is complementary to the DNA template.

Question

Which statement about E. coli RNA polymerase (core enzyme) is FALSE?
A) In the absence of the $\sigma$ subunit, core polymerase has little specificity for where initiation begins.
B) The core enzyme contains several different subunits.
C) The core enzyme has no polymerizing activity until the $\sigma$ subunit is bound.
D) The RNA chain grows in a 5' $\rightarrow$  3' direction.
E) The RNA product is complementary to the DNA template.

Quizplus · Accepted Answer

The core enzyme has polymerizing activity even in the absence of the σ subunit, but it lacks promoter specificity.

Which Statement About E σ\sigmaσ Subunit, Core Polymerase Has Little Specificity for Where Initiation Begins

Which Statement About E $\sigma$ Subunit, Core Polymerase Has Little Specificity for Where Initiation Begins