Card Set Information
microbial genetics regulation gene expression
chapter 13 review
example of post-translational regulation of enzymes
allosteric control or covalent modification
usual state of repressible genes
usual state of inducible genes
what is an operon?
includes promoter, operator and structural genes
structural genes code for...
B-galactosidase is an example of
an inducible gene
what is constitutive expression?
code for proteins that are needed on a regular basis
what happens at the promoter?
RNA polymerase binds here before beginning of transcription
what binds the operator?
how is trp operon turned off?
co-repressor binds operator; stopping transcription