11 Flashcards
What kind of operon is lactose operon?
Inducible operon
Effect of glucose presence in the medium on content of bacteria?
cAMP content: decreases it
Lactose operon: decreases it
Protein binding cAMP during lactose operon regulation?
CAP
DNA region in lactose operon binding repressor?
Operator
Role of lactose in regulation of lactose operon?
Inducer substance
Metabolic processes regulated by inducible operon?
Breakdown processes
What kind of operon is bacterial tryptophan operon?
Repressible operon
Role of tryptophan in tryptophan operon regulation?
Co-repressor
What does tryptophan bind to during regulation of tryptophan operon?
To the repressor
How does the presence of tryptophan affect the activity of the tryptophan operon?
decreases it
What kind of metabolic processes are regulated by repressible operons?
biosynthetic processes