Molecular Genetics: Part 8: Gene Regulation Flashcards
1
Q
Where is the Operon found?
A
In a region of DNA of Bacteria.
2
Q
What is an Operon?
A
It is a cluster of genes with on and off switches (Promoter and Operator).
3
Q
What is a Promotor?
A
It is the binding site of RNA polymerase.
4
Q
What is an Operator?
A
Off switch of Lac/Binding site of Repressor.
5
Q
What is the function of TATA box?
A
Helps RNA polymerase bind into DNA.
6
Q
What are the two types of Operon
A
Lac (Induced Operon): Normally turned off unless triggered by external environment.
and
Repressive Operon: Always on unless turned off actively or temporarily.
