4.3 study guide Flashcards
1
Q
Adds protective 5’ cap to the 5’ end of the new RNA molecule
A
5’ capping enzyme
2
Q
Matches complementary RNA nucleotides to template DNA strand
A
RNA polymerase
3
Q
Adds the poly A tail to the 3’ end of the new RNA molecule
A
Poly A polymerase
4
Q
Binds to promoter to initiate transcription
A
General transcription factors
5
Q
Splices introns out of pre-RNA molecule
A
Spliceasome
6
Q
DNA
A
-double stranded
-double helix
-deoxyribose
-A,T,C,G
7
Q
RNA
A
-single stranded
-ribose
-AUCG
8
Q
Transcription
A
making RNA from DNA
9
Q
exons
A
segments of coding sequences
10
Q
introns
A
non coding sequences
11
Q
What happens during alternative splicing
A
exons from the same gene are joined in different combinations, leading to different, but related, mRNA transcripts.
