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RNA Splicing

View the animation below, then complete the quiz to test your knowledge of the concept.






1Splicing joins together
A)two introns.
B)two exons.
C)an intron and an exon.
D)any two RNA molecules.
E)a DNA and an RNA molecule.



2The snRNPs are also called
A)smurfs.
B)snurps.
C)snores.
D)snippets.
E)splits.



3Arrange the following in the proper sequence in which they occur during RNA splicing.

1. Lariat is formed
2. U2 binds to branch site
3. 3' splice site is cut
A)1, 2, 3
B)2, 1, 3
C)2, 3, 1
D)3, 2, 1
E)3, 1, 2



4The 3’ splice site contains a GU, whereas the 5’ splice site contains an AG.
A)True
B)False



5The trimer that binds at the intron region consists of the snRNPs U3, U4 and U5.
A)True
B)False







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