Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 16, Problem 2A
Specific transcription factors in eukaryotes interact with enhancers, which may be a long distance from the promoter. These transcription factors then
a. alter the structure of the DNA between enhancer and promoter.
b. do not interact with the transcription apparatus.
c. can interact with the transcription apparatus via DNA looping.
d. can interact with the transcription apparatus by removing the intervening DNA.
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Students have asked these similar questions
Which of the following is true of CpG islands?
a. They are methylated near promoters of actively transcribed genes.
b. They are unmethylated near promoters of actively transcribed genes.
c. Acetylation of CpG islands leads to repression of transcription.
d. CpG islands code for RNA molecules that activate transcription.
Is each of the following statements true or false?
A. An enhancer is a type of regulatory element.
B. A core promoter is a type of regulatory element.
C. Regulatory transcription factors bind to regulatory elements.
D. An enhancer may cause the down regulation of transcription.
Which statement/s is/are TRUE about transcription?A. During transcription, DNA polymerase binds to RNA and separates the DNA strands.B. RNA polymerase uses one strand of DNA as a template to assemble nucleotides into a strand of RNA.C. RNA polymerase binds only to DNA promoters, which have specific base sequences.D. Promoters are signals in RNA that indicate to RNA polymerase where to begin transcription.E. Transcription occurs in the 3’ to 5’ direction with respect to the growing mRNA strand.
Chapter 16 Solutions
Biology
Ch. 16.1 - Prob. 1LOCh. 16.1 - Prob. 2LOCh. 16.1 - Prob. 3LOCh. 16.2 - Explain how proteins can interact with base-pairs...Ch. 16.2 - Prob. 2LOCh. 16.3 - Prob. 1LOCh. 16.3 - Prob. 2LOCh. 16.3 - Explain control of gene expression in the trp...Ch. 16.4 - Prob. 1LOCh. 16.4 - Prob. 2LO
Ch. 16.4 - Prob. 3LOCh. 16.5 - Describe at least two kinds of epigenetic mark.Ch. 16.5 - Explain the function of chromatin-remodeling...Ch. 16.6 - Prob. 1LOCh. 16.6 - Prob. 2LOCh. 16.7 - Prob. 1LOCh. 16.7 - Prob. 2LOCh. 16 - Prob. 1DACh. 16 - What advantage might a bacterium gain by linking...Ch. 16 - Prob. 2IQCh. 16 - Prob. 3IQCh. 16 - In prokaryotes, control of gene expression usually...Ch. 16 - Prob. 2UCh. 16 - Prob. 3UCh. 16 - The lac operon is controlled by two main proteins....Ch. 16 - In eukaryotes, binding of RNA polymerase to a...Ch. 16 - In eukaryotes, the regulation of gene expression...Ch. 16 - In the trp operon, the repressor binds to DNA a....Ch. 16 - Prob. 1ACh. 16 - Specific transcription factors in eukaryotes...Ch. 16 - Repression in the trp operon and induction in the...Ch. 16 - Regulation by small RNAs and alternative splicing...Ch. 16 - Eukaryotic mRNAs differ from prokaryotic mRNAs in...Ch. 16 - In the cell cycle, cyclin proteins are produced in...Ch. 16 - A mechanism of control in E. coli not discussed in...Ch. 16 - You have isolated a series of mutants affecting...Ch. 16 - Examples of positive and negative control of...Ch. 16 - What forms of eukaryotic control of gene...Ch. 16 - The number and type of proteins found in a cell...
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- Transcription of eukaryotic genes requires the presence of a promoter and usually the presence of enhancers. An enhancer: A. is a consensus sequence in DNA located where RNA polymerase first binds. B. may be located in various places in different genes. C. may be on either strand of DNA in the region of the gene. D. functions by binding RNA polymerase. E. stimulates transcription in both prokaryotes and eukaryotes.arrow_forwardOnly one of the two strands of DNA is transcribed because a. RNA polymerase binds to the terminator, stopping transcription on one strand of DNA. b. both strands are transcribed, but only one strand of DNA contains a reading frame. c. DNA consists of only one strand in the nucleus of the cell. d. RNA polymerase binds to the promoter, initiating transcription on only one strand of DNA. e. the start of transcription is random along the chromosome and does not always occur on a gene.arrow_forwardWhich of the following is false regarding the role of mediator complex in eukaryotic transcription initiation? a. Mediator complex interacts with RNA pol II b. Mediator binds to upstream enhancer sequences c. Mediator interacts with general transcription factors d. Mediator interacts with transcriptional activators e. All of the above are true about the mediator complexarrow_forward
- Can you explain it?arrow_forwardWhat would the direct consequence to a cell be if there was a loss of function of Transcription Factor II D? (Only select processes in which TFIID has a role.) You may answer multiple answers. a. Terminators at the end of the coding regions of genes would not be recognized. b. In the cytoplasm, mRNA would not be protected from enzymes that degrade mRNA. c. Primary RNA transcripts would not be accurately spliced. d. Initiation of transcription would be absent or decreased. mRNAs would be unable to exit the nucleus.arrow_forwardWhich of these is used in the transcription of all genes? Choose all correct answers. A. Core promoter B. Proximal promoter C. Distal promoter D. General Transcription Factors E. Regulatory Transcription Factorsarrow_forward
- Select all of the processes that could be involved in a transcriptional repressor leading to decreased gene expression. a. chromatin remodelling complex responds to tail modification by removing nucleosomes . b. transcription factor binding attracts acetyltransferase enzymes . C. transcription factor binding attracts deacetylase enzymes . D. chromatin remodelling complex responds to tail modification by shifting nucleosomes to a denser grouping. E. DNase cuts the exposed DNA to prevent transcription initiation F. RNA polymerase is unable to recognize the promoter because of the dense chromatin configurationarrow_forwardA transcription factor (protein - orange/green) is bound to a promoter of a gene (DNA - blue) it regulates. What changes would result in the gene not being expressed? A. Mutations in the DNA sequence where the TF is bound B. Mutations in the DNA binding domain of the TF C. Mutations in the 3’UTR (untranslated region) of this gene A and B only B and C only A, B, and Carrow_forwardEukaryotic transcription A. is independent of the presence of upstream consensus sequences. B. may involve a promoter located within the region transcribed rather than upstream. C. requires a separate promoter region for each of the three ribosomal RNAs transcribed. D. requires that the entire gene be in the nucleosome form of chromatin. E. is affected by enhancer sequences only if they are adjacent co the promoter .arrow_forward
- Which of the following activities DOES NOT happen during the initiation stage of transcription? A. Use of RNA polymerase. B. Detection of TATA-box C. Attachment of transcription factors D. Addition of G' Cap and Poly-A tail A section of DNA has the following sequence of nitrogenous bases: CGATTACAG. Which of the following sequence would be produced as a result of transcription? A. CGTUUTCTG B. GCTAATGTC C. CGAUUACAG D. GUAAUGUCarrow_forwardRegulatory proteins in Prokaryotes shut off transcription by binding to a site immediately in front of the promoter and often even overlapping the promotor. This site is referred to as the A. suppressor site. B. operator site. C. co-activator site. D. regulatory site.arrow_forwarda. Use circles for activators and squares for repressors. Draw the shapes bound to each promoter region. b. Under the word gene write “ON” or “OFF” to indicate if the gene is transcribed or not under the different conditions.arrow_forward
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