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mRNA contains 8 exons and 7 introns. The splice sites surrounding exon 3 are not readily recognized by the me. However, splicing enhancers bind to these sites. In addition, a splicing repressor prevents the recognition of the 3' e that precedes exon 7. What exons will be present in the mature mRNA? 2 3 4 5 6 7 8 O 3'

mRNA contains 8 exons and 7 introns. The splice sites surrounding exon 3 are not readily recognized by the me. However, splicing enhancers bind to these sites. In addition, a splicing repressor prevents the recognition of the 3' e that precedes exon 7. What exons will be present in the mature mRNA? 2 3 4 5 6 7 8 O 3'

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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**Pre-mRNA Splicing and Exon Recognition** **Description:** The image presents a diagram and a question about pre-mRNA splicing. **Text:** This pre-mRNA contains 8 exons and 7 introns. The splice sites surrounding exon 3 are not readily recognized by the spliceosome. However, splicing enhancers bind to these sites. In addition, a splicing repressor prevents the recognition of the 3’ splice site that precedes exon 7. What exons will be present in the mature mRNA? **Diagram Explanation:** - The diagram shows a linear representation of pre-mRNA with numbered boxes representing exons (1 to 8) and lines between them representing introns. - Exons are labeled from 1 at the 5' end to 8 at the 3' end. - Sites where exons are potentially not recognized are indicated near exon 3. - A specific site where a "splicing repressor" binds is marked between exons 6 and 7. **Multiple Choice:** The options listed for the answer are: - 1, 2, 3, 4, 5, 6, 7, 8 **Considerations for Answer:** - Due to the splicing repressor and areas not inherently recognized, some exons may be omitted in the final mature mRNA.
Transcribed Image Text:**Pre-mRNA Splicing and Exon Recognition** **Description:** The image presents a diagram and a question about pre-mRNA splicing. **Text:** This pre-mRNA contains 8 exons and 7 introns. The splice sites surrounding exon 3 are not readily recognized by the spliceosome. However, splicing enhancers bind to these sites. In addition, a splicing repressor prevents the recognition of the 3’ splice site that precedes exon 7. What exons will be present in the mature mRNA? **Diagram Explanation:** - The diagram shows a linear representation of pre-mRNA with numbered boxes representing exons (1 to 8) and lines between them representing introns. - Exons are labeled from 1 at the 5' end to 8 at the 3' end. - Sites where exons are potentially not recognized are indicated near exon 3. - A specific site where a "splicing repressor" binds is marked between exons 6 and 7. **Multiple Choice:** The options listed for the answer are: - 1, 2, 3, 4, 5, 6, 7, 8 **Considerations for Answer:** - Due to the splicing repressor and areas not inherently recognized, some exons may be omitted in the final mature mRNA.
**Multiple Choice** Options: - ( ) 1, 2, 3, 4, 5, 6, 7, 8 - (●) 1, 2, 3, 4, 5, 6 - ( ) 1, 2, 4, 5, 6, 7, 8 - ( ) 1, 2, 3, 4, 5, 6, 8 In this multiple-choice selection, four options are presented. Each option is a sequence of numbers, and one option can be selected. The second option (1, 2, 3, 4, 5, 6) is currently selected, as indicated by the filled circle next to it.
Transcribed Image Text:**Multiple Choice** Options: - ( ) 1, 2, 3, 4, 5, 6, 7, 8 - (●) 1, 2, 3, 4, 5, 6 - ( ) 1, 2, 4, 5, 6, 7, 8 - ( ) 1, 2, 3, 4, 5, 6, 8 In this multiple-choice selection, four options are presented. Each option is a sequence of numbers, and one option can be selected. The second option (1, 2, 3, 4, 5, 6) is currently selected, as indicated by the filled circle next to it.
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