Exam 7: Operons: Fine Control of Bacterial Transcription

Which of the following techniques is most useful in determining if RNA polymerase has initiated transcription from the lac DNA template?

Attenuation causes the length of the RNA molecules to be significantly extended.

________ is a term used to describe a mechanism in which a protein controls it's own regulation.

The following is an example of a cis-dominant mutation: I^-d O⁺ Z⁺ Y⁺ A^-

In the absence of glucose there will be a rapid accumulation of lactose in the following mutant: I^- O^c Z⁺ Y^- I^- O⁺ Z⁺ Y^-

Regions of the 5'-UTRs of mRNAs that alter their structures to control gene expression are called _____________________.

The identity of the following molecule is