8.3 Flashcards
1
Q
initiaition
A
tfs bind to promoter/enhancher
regiuons to attratc and prepare RNA poly,to begin copying gene sequence to mRNA
2
Q
elongation
A
RNA breaks free of tf
a protective 5’ capis added
as rna copies DNA OTHER PROTEINS ARE RECURITED TO SPLICE OUT INTRONS
3
Q
termination
A
at the polydenylation site the teroination sequence is recognized. and cut poily A tail isadded to the end of a new RNA model
4
Q
enhancer
A
additional binding site for transcription -onoff switch
5
Q
promotoer
A
site of transcription,
most contain tata box signals transcription factors and theRNA poly attahc
6
Q
exons
A
sequences that will be present inthe RNA
7
Q
A
