Ch. 16 questions Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
When do bacteria normally regulate gene expression? | during transcription |
How is the lac operon induced? | lactose combines with lac repressor to inactivate it--RNA polymerase can then bind to the promoter and transcribe the lac operon |
How is the tryptophan operon repressed? | tryptophan binds to trp operon aporepressor fo form active complex--binds to trp operator and prevents RNA polymerase binding and transcription |
Describe feedback inhibition | associated with repressible operons where end product of peron pathway makes a complex with aporepressor to inhibit transcription |
Give 2 ways that inducible and repressible expression control differs | inducible--turn on expression--repressible--turn expression off--repressible systems have fine control over how much expression occurs |
What is a function of proteases? | rid the cell of unwanted proteins |
Created by:
heatherlvn
Popular Science sets