Regulation of Gene Mutation Flashcards
1
Q
What is the exon?
A
The coding, or expressed, region of DNA.
2
Q
What is the intron?
A
The non-coding region of DNA.
3
Q
What is the operon?
A
A group of genes that function as a single transcription unit.
4
Q
What is a transcription factor?
A
A protein or short non-coding RNA that can combine with a specific site on a length of DNA and inhibit or activate transcription of the gene.
5
Q
What two enzymes does lactose induce the production of?
A
Lactose permease and Beta-galactosidase.
6
Q
What does lactose permease do?
A
Allows lactose to enter the cell.
7
Q
What does beta-galactosidase do?
A
Hydrolyses galactose and glucose.