Rna Processing Flashcards
0
Q
What is put on the five prime end?
A
A guanine cap
1
Q
Where
A
Nucleus
2
Q
What is put on the 3 prime end?
A
Poly A tail
3
Q
Function of the caps
3
A
1 protect from enzymes that may degrade it
2 helps ribosomes attach to 5prime end
3 helps mRNA get out of the nucleus
4
Q
Spliceosome
A
Cuts out introns that don’t code for proteins
5
Q
What are spliceosome so made of
A
SnRNA and proteins
6
Q
Exons
A
Code for amino acids
7
Q
Intron
A
Don’t code for anything
8
Q
What happens in processing
A
Introns taken out and
5’ cap
And 3’ poly a tail added
