final exam: 12/1 Flashcards
in transcription termination, bacteria use two methods: rho ___ and rho ___
dependent, independent
rho ___ involves RNA creating a stem loop
independent
the rho independent stem loop acts as a signal causing RNA polymerase to ___
stop
rho ___ involves a stem loop with a protein attached to the ___, which forces RNA polymerase to stop
dependent, RNA
___ transcription controls are more complex than ___ and involve chromatin ___
eukaryotic, prokaryotic, remodeling
___ splicing causes many types of mRNA that can be used by the cell in many different ways
alternative
the lac operon is associated with __ production and is mostly ___ in bacteria
lactose, inactive
regulatory genes produce proteins which ___/___ other genes
activate, deactivate
when a protein, known as an __ __, binds to the operator region, it prevents RNA polymerase from __
active repressor, binding
when a protein, known as an active repressor binds to the ___ region, it prevents __ ___ from binding
operator, RNA polymerase
when the active repressor binds to the operator region, preventing RNA polymerase from binding, this results in the ___ of gene ___
inhibition, activity