The figure shows a Venn Diagram with four areas, Area A- Terms that only apply to eukaryotic transcription Area B- Terms that only apply to prokaryotic transcription Area C- Terms that apply to BOTH eukaryotic and prokaryotic transcription Area D- Terms that do not apply to transcription Place the following terms into those four categories: TATA box, promoters, Shine-Dalgarno sequence, primase, termination, poly-A tail, RNA polymerase, sigma subunit, 5' cap, intron splicing, DNA polymerase I, release factors

The figure shows a Venn Diagram with four areas, Area A- Terms that only apply to eukaryotic transcription Area B- Terms that only apply to prokaryotic transcription Area C- Terms that apply to BOTH eukaryotic and prokaryotic transcription Area D- Terms that do not apply to transcription Place the following terms into those four categories: TATA box, promoters, Shine-Dalgarno sequence, primase, termination, poly-A tail, RNA polymerase, sigma subunit, 5' cap, intron splicing, DNA polymerase I, release factors

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter7: Gene Expression And Control

Section: Chapter Questions

Problem 4CT

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Listed below are steps in the transcription process. Reorganize the list so the steps in the correct order- starting with the first step in initiating transcription and ending with completion of a new strand of RNA (in other words- from start to finish of transcription). RNA polymerase reaches the termination signal DNA unwinds underneath RNA polymerase at transcription start site RNA polymerase is recruited to the promoter region mRNA transcript is released General Transcription factors bind TATA box (and other DNA sequences) in the promoter region General Transcription Factors unbind from promoter region mRNA transcript synthesis occurs RNA polymerase moves along the template strand in the 3’ to 5’ direction
What are the specific steps of eukaryotic transcription? Be sure in your discussion that you include the following terms: template strand, non-template strand, initiation, elongation, termination, promoter region, RNA polymerase, termination signal.
A bacterial species has a hypothetical sigma promoter that has the following sequence: TTGGCA - 18 bases - TATAAT What change in the level of transcription would there be if the sequence was mutated to: TTCGCA -18 bases -TATAAT Group of answer choices 1.The mutation would inhibit the promoter thereby inhibiting transcription 2.No change the consensus TATAAT sequence in the same. 3.The mutation would move the promoter away from consensus and reduce the level of transcription 4.The mutation would bind the promoter to the consensus and produce normal levels of transcription
This diagram shows a double-stranded section of DNA. The arrow indicates location and strand of the transcription start site. The direction of transcription is also indicated. In which box would you find a 5’TATAA \3’ promoter sequence that would be used for initiating transcription at the start site shown? a) Box A b) Box B c) Box C d) Box D
The sigma factor protein's role in transcription in E. coli includes which of the following? None of the answer options are correct. plays a role in transcription termination forms part of the core enzyme required for transcription initiation helps the siRNA to bind to the promoter All of the answer options are correct. contributes to the proof-reading activity of RNA polymerase And The role of tRNA is to serve as an intermediate in the decoding of genes. serve as general translational components of the ribosome. facilitate protein trafficking in protein secretion. facilitate splicing of pre-messenger RNAs. act as vehicles bringing amino acids to the site of protein synthesis. None of the answer choices are correct.
A bacterial species has a hypothetical sigma promoter that has the following sequence: TTGGCA - 18 bases - TATAAT What change in the level of transcription would there be if the sequence was mutated to: TTCGCA -18 bases -TATAAT 1.The mutation would move the promoter away from consensus and reduce the level of transcription 2.No change the consensus TATAAT sequence in the same. 3.The mutation would bind the promoter to the consensus and produce normal levels of transcription 4.The mutation would inhibit the promoter thereby inhibiting transcription
Give one example of a prokaryotic system of gene expression that is more complicated (duringtranscription at the promoter) than its corresponding eukaryotic system of gene expression.A. prokaryotes require general transcription factors to initiate transcriptionB. prokaryotes typically have activator and repressor DNA sequences thousands of nucleotides awayC. prokaryotes have three classes of RNA polymerasesD. prokaryotes always have their DNA tightly packed into higher-level structures than nucleosomesE. prokaryotes usually have polycistronic mRNA
The diagram below shows an imaginary eukaryotic structural gene containing two exons. The exon nucleotides are numbered beginning at the transcription start site and a portion of the intron is not shown to save space: Help Center? transcription start site promoter U STACAGTATAAATGAATTAATTGACGTATGTCAATCGGTAAGT...TCAGGTACT U UUU} Phe UUG} Leu exon 1 3 ATGTCATATTTACTTAATTAACTGCATACAGTTAGCCATTCA...AGTCCATGAATGACTTATGTGCGGTTATTTACTGAT... Second letter C Predict the amino acid sequence of the polypeptide encoded by this structural gene. The genetic code is provided below.
Shown below are three genes (gene 1, gene 2, and gene 3) located on the same bacterial chromosome. a) Indicate where on the diagram you would find the following for each gene: Promoter (p1 for gene 1, p2 for gene 2, and p3 for gene 3) Transcription termination site (tts1, tts2, and tts3) Start codon (start1, start2, and start3) Stop codon (stop1, stop2, and stop3) Template strand (ts1, ts2, and ts3), the DNA strand that directs RNA synthesis Be sure to indicate the component on the appropriate molecule (DNA or RNA).
Which of the following mutations could affect the process of transcription initiation in bacteria? Mutations in the Pribnow box (-10 box) resulting in mismatches to the consensus sequence. All of the other choices are correct. Mutations disrupting the function of the UP element. An insertion of 12 nucleotides between the -10 box and -35 box. Mutations in the -35 box resulting in mismatches to the consensus sequence.
Shown below is a schematic drawing of a gene, with the transcription unit divided into numbered regions. The arrows (;) indicate transcription initiation sites, "D" indicates a splice donor site, "A" indicates a splice acceptor site, and "An" indicates a polyadenylation signal. Give all the possible fully processed mRNAs that could be produced from transcripts of this gene (you don't need to draw anything, just list the regions that would be included in each mRNA by number).
Eukaryotes can control transcription by three overall type of process, they are ( selection from options 1); second ( selection from options 2, and third ( options 3) options 1. A. TRNA splicing, B. Promoter/ enhancer, tx factor C. Causing inversion and deletions D. Denaturing proteins options 2, A. Activating proteins allosteric sites, B.activating or inhabiting proofreading. C. Activating or inhibiting helicase. D. Destroying ribosomes. E. Methylation the DNA. Options 3. A. Cutting thier own DNA with restrictions enzyme , B. Causing mRNA instability , C. Chromating remodeling/ loosening or tightening histone connections. D. Forming or destroying T-T dimers.