prokaryotic gene regulation
- gene regulation
- constitutive/housekeeping genes
- are all genes expressed at all times?
- what is an operon?
lac operon
- what is it?
- how does it work?
- what happens in the absence of lactose?
- what happens in the presence of lactose?
- why is the lac operon inducible?
trp operon
- what is it?
- what happens in the absence of tryptophan?
- what happens in the presence of tryptophan?
- why is the trp operon repressible?
- lac operon vs trp operon
eukaryotic gene regulation