RNa metabolism II 26 Flashcards
1
Q
What does RNA polymerase I synthesis?
A
pre-ribsomal RNA (prescurser for 28S, 18S, 5.8S rRNAS)
2
Q
WHat does RNA polymerse II?
A
Primary enzyme that creates mRNA. Very fast and is targeted by mushroom toxin (inhibits it)
3
Q
What is RNA polymerase III?
A
Mates tRNAs and small RNA products
4
Q
WHat is RNA polymerase IV?
A
IN plants that synthesis by small interfering RNAs
5
Q
What cell has there one RNA polymerase?
A
mitochondria, different DNA
6
Q
Where is the promoter located on the DNA?
A
TATA box near -30 position
7
Q
WHat are transciption factors?
A
manage transcirption. any protein involed in transcription
8
Q
A