Question 13 Which regions (s) of the DNA are found in the final protein? Introns Exons UTRS poly-A tail introns and exons

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
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**Question 13**

*Which region(s) of the DNA are found in the final protein?*

- ○ Introns
- ○ Exons
- ○ UTRs
- ○ poly-A tail
- ○ introns and exons

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In the context of gene expression, it's crucial to differentiate between various regions of DNA. Here’s a brief explanation:

- **Introns:** Non-coding sections of DNA, which are removed during RNA processing.
- **Exons:** Coding sections of DNA, which remain in mRNA and are translated into protein.
- **UTRs (Untranslated Regions):** Sequences in mRNA that are not translated into protein but play roles in translation and stability.
- **poly-A tail:** A sequence of adenine nucleotides added to mRNA for stability and export from the nucleus.
- **introns and exons:** Refers to both coding and non-coding regions, but only exons are present in the final protein after processing.
Transcribed Image Text:**Question 13** *Which region(s) of the DNA are found in the final protein?* - ○ Introns - ○ Exons - ○ UTRs - ○ poly-A tail - ○ introns and exons --- In the context of gene expression, it's crucial to differentiate between various regions of DNA. Here’s a brief explanation: - **Introns:** Non-coding sections of DNA, which are removed during RNA processing. - **Exons:** Coding sections of DNA, which remain in mRNA and are translated into protein. - **UTRs (Untranslated Regions):** Sequences in mRNA that are not translated into protein but play roles in translation and stability. - **poly-A tail:** A sequence of adenine nucleotides added to mRNA for stability and export from the nucleus. - **introns and exons:** Refers to both coding and non-coding regions, but only exons are present in the final protein after processing.
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