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2' HO 5' OH-3' -OH-3 |3' M O A represents Group I introns and B represents spliceosome introns O A represents Group introns and B represents Group I introns O A represents Group I introns and B represents Group II introns O A represents spliceosome introns and B represents Group Il introns

2' HO 5' OH-3' -OH-3 |3' M O A represents Group I introns and B represents spliceosome introns O A represents Group introns and B represents Group I introns O A represents Group I introns and B represents Group II introns O A represents spliceosome introns and B represents Group Il introns

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Certainly! Here is a transcription of the content: --- **From the Figure below, choose the best answer** [The figure contains two panels, labeled A and B, depicting two different splicing mechanisms.] - **Panel A**: Shows a precursor RNA with a looped structure. A 2’–OH on an adenine nucleotide carries out a nucleophilic attack, forming a lariat structure as the intron is released and the exons are joined. - **Panel B**: Displays a different precursor RNA where a guanine nucleotide carries out a nucleophilic attack. The intron is removed as a linear structure, and the exons are ligated together. **Options for Answer**: 1. ○ A represents Group I introns and B represents spliceosome introns 2. ○ A represents Group II introns and B represents Group I introns 3. ○ A represents Group I introns and B represents Group II introns 4. ○ A represents spliceosome introns and B represents Group II introns --- Choose the option that best matches the splicing mechanism shown in the figure.
Transcribed Image Text:Certainly! Here is a transcription of the content: --- **From the Figure below, choose the best answer** [The figure contains two panels, labeled A and B, depicting two different splicing mechanisms.] - **Panel A**: Shows a precursor RNA with a looped structure. A 2’–OH on an adenine nucleotide carries out a nucleophilic attack, forming a lariat structure as the intron is released and the exons are joined. - **Panel B**: Displays a different precursor RNA where a guanine nucleotide carries out a nucleophilic attack. The intron is removed as a linear structure, and the exons are ligated together. **Options for Answer**: 1. ○ A represents Group I introns and B represents spliceosome introns 2. ○ A represents Group II introns and B represents Group I introns 3. ○ A represents Group I introns and B represents Group II introns 4. ○ A represents spliceosome introns and B represents Group II introns --- Choose the option that best matches the splicing mechanism shown in the figure.
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