Transcription Qs

Splicing 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. 2.

The snRNPs are also called A) smurfs.

B) snurps. C) snores. D) snippets.

E) splits. 3.

Arrange 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 4.

The 3’ splice site contains a GU, whereas the 5’ splice site contains an AG.

A) True B) False

5.

The trimer that binds at the intron region consists of the snRNPs U3, U4 and

U5. A) True B) False