Domanda del libro di testo
The following is a portion of an mRNA sequence:
3'-AUCGUCAUGCAGA-5'
Identify the direction in which the promoter region for this gene will be located.
491
views
Ch. 8 - Molecular Biology of Transcription and RNA Processing
Sanders3rd EditionGenetic Analysis: An Integrated ApproachISBN: 9780135564172
Non è quello che usi tu?Cambia libro di testoScegli un libro di testo diverso
TOC.tableOfContents
- Ch. 1 - The Molecular Basis of Heredity, Variation, and Evolution64
- Ch. 2 - Transmission Genetics144
- Ch. 3 - Cell Division and Chromosome Heredity81
- Ch. 4 - Gene Interaction87
- Ch. 5 - Genetic Linkage and Mapping in Eukaryotes103
- Ch. 6 - Genetic Analysis and Mapping in Bacteria and Bacteriophages73
- Ch. 7 - DNA Structure and Replication71
- Ch. 8 - Molecular Biology of Transcription and RNA Processing79
- Ch. 9 - The Molecular Biology of Translation110
- Ch. 10 - Eukaryotic Chromosome Abnormalities and Molecular Organization100
- Ch. 11 - Gene Mutation, DNA Repair, and Homologous Recombination86
- Ch. 12 - Regulation of Gene Expression in Bacteria and Bacteriophage90
- Ch. 13 - Regulation of Gene Expression in Eukaryotes38
- Ch. 14 - Analysis of Gene Function via Forward Genetics and Reverse Genetics72
- Ch. 15 - Recombinant DNA Technology and Its Applications69
- Ch. 16 - Genomics: Genetics from a Whole-Genome Perspective49
- Ch. 17 - Organelle Inheritance and the Evolution of Organelle Genomes27
- Ch. 18 - Developmental Genetics43
- Ch. 19 - Genetic Analysis of Quantitative Traits66
- Ch. 20 - Population Genetics and Evolution at the Population, Species, and Molecular Levels105
Sanders3rd EditionGenetic Analysis: An Integrated ApproachISBN: 9780135564172Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testo
Sanders 3rd EditionCh. 8 - Molecular Biology of Transcription and RNA ProcessingProblema 4c
Sanders 3rd EditionCh. 8 - Molecular Biology of Transcription and RNA ProcessingProblema 4cCapitolo 8, Problema 4c
The diagram below shows a DNA duplex. The template strand is identified, as is the location of the nucleotide.
If this region is a eukaryotic gene transcribed by RNA polymerase III, where are the promoter consensus sequences located?
Guida verificata passo dopo passo1
Understand that RNA polymerase III transcribes specific types of genes in eukaryotes, such as tRNA genes, 5S rRNA genes, and some small nuclear RNA (snRNA) genes. Its promoter regions are distinct from those of RNA polymerase II.
Recall that RNA polymerase III promoters are often located within the transcribed region of the gene itself, unlike RNA polymerase II promoters, which are typically upstream of the transcription start site.
For tRNA genes transcribed by RNA polymerase III, the promoter consensus sequences are internal and include two conserved regions: the A-box and the B-box, which are located downstream of the transcription start site.
For 5S rRNA genes, the promoter includes an internal control region (ICR) that contains three conserved elements: Box A, an intermediate element, and Box C, all of which are also downstream of the transcription start site.
To determine the exact location of the promoter consensus sequences in the given DNA duplex, identify whether the gene in question is a tRNA gene or a 5S rRNA gene, and locate the A-box and B-box (for tRNA) or the ICR elements (for 5S rRNA) within the transcribed region.
Risposta video verificata per un problema simile:
Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
2mConcetti chiave
Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.
Eukaryotic Gene Structure
Eukaryotic genes typically consist of coding regions called exons and non-coding regions known as introns. The transcription of these genes is initiated at specific sites called promoters, which are located upstream of the transcription start site. Understanding the structure of eukaryotic genes is essential for identifying where transcription factors and RNA polymerase bind to initiate transcription.
Video consigliato:
Percorso guidato
07:10
Chromosome Structure
RNA Polymerase III
RNA polymerase III is one of the three main types of RNA polymerases in eukaryotic cells, primarily responsible for transcribing small RNA molecules, including tRNA and 5S rRNA. It recognizes specific promoter sequences that are distinct from those used by RNA polymerase II, which transcribes mRNA. Knowing the role of RNA polymerase III helps in understanding the transcription process of non-coding genes.
Video consigliato:
Promoter Consensus Sequences
Promoter consensus sequences are short, conserved sequences of nucleotides that are recognized by transcription factors and RNA polymerase to initiate transcription. In eukaryotes, these sequences often include elements like the TATA box and other regulatory motifs. Identifying these sequences is crucial for understanding how genes are regulated and transcribed in response to cellular signals.
Video consigliato:
Percorso guidato
08:55Sequencing Overview
Pratica correlata
Domanda del libro di testo
The following is a portion of an mRNA sequence:
3'-AUCGUCAUGCAGA-5'
Write out the sequence and polarity of the DNA duplex that encodes this mRNA segment. Label the template and coding DNA strands.
472
views
Domanda del libro di testo
Answer these questions concerning promoters.
What is the meaning of the term alternative promoter? How does the use of alternative promoters affect transcription?
513
views
Domanda del libro di testo
The diagram below shows a DNA duplex. The template strand is identified, as is the location of the nucleotide.
Assume this region contains a gene transcribed in a bacterium. Identify the location of promoter consensus sequences and of the transcription termination sequence.
562
views
Domanda del libro di testo
The following is a portion of an mRNA sequence:
3'-AUCGUCAUGCAGA-5'
During transcription, was the adenine at the left-hand side of the sequence the first or the last nucleotide used to build the portion of mRNA shown? Explain how you know.
459
views
Domanda del libro di testo
The diagram below shows a DNA duplex. The template strand is identified, as is the location of the nucleotide. consensus sequences.
Assume this region contains a gene transcribed to form mRNA in a eukaryote. Identify the location of the most common promoter.
551
views