16. Regulation of Expression

Altering patterns of gene expression in prokaryotes would likely increase a prokaryote's survival by _______.

Which of the following is true about operons?

Which of the following molecules is a protein that stops the transcription of a gene?

When this is present in the cell, it binds to the repressor and the repressor can no longer bind to the operator:

In the lac operon, the repressor inhibits transcription when a. the repressor is bound to the inducer. b. the repressor is not bound to the inducer. c. the repressor is bound to glucose. d. the repressor is not bound to the operator.

Activators bind to regulatory sequences in ________ and to ________ polymerase.