3. Draw the chemical mechanism (with electron-pushing arrows) for the first step of RNA splicing (as catalyzed by the splicosome). Be sure to explicitly show the attacking nucleophile, the phosphate at the intron-exon junction, the intron branch point and the leaving group in the reaction.

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter15: From Dna To Protein
Section: Chapter Questions
Problem 5TYK: Which of the following statements is false? a. GTP is an energy source during various stages of...
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3. Draw the chemical mechanism (with electron-pushing arrows) for the first step of
RNA splicing (as catalyzed by the splicosome). Be sure to explicitly show the
attacking nucleophile, the phosphate at the intron-exon junction, the intron branch
point and the leaving group in the reaction.
Transcribed Image Text:3. Draw the chemical mechanism (with electron-pushing arrows) for the first step of RNA splicing (as catalyzed by the splicosome). Be sure to explicitly show the attacking nucleophile, the phosphate at the intron-exon junction, the intron branch point and the leaving group in the reaction.
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