BIOLOGY 12E CONNECT ACCESS CARD
12th Edition
ISBN: 9781264938513
Author: Raven
Publisher: MCG
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Textbook Question
Chapter 16, Problem 5U
In eukaryotes, binding of RNA polymerase to a promoter requires the action of
a. specific transcription factors.
b. general transcription factors.
c. repressor proteins.
d. inducer proteins.
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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.
Define the following terms: a. promoter b. consensus sequence c. operon d. chromatin-remodeling complex e. general transcription factors
Regulatory 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.
Chapter 16 Solutions
BIOLOGY 12E CONNECT ACCESS CARD
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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- Eukaryotic cells have multiple complex mechanisms for the regulation of gene expression, but a regulatory mechanism they rarely (if ever) use is a. operons. b. regulatory proteins. c. transcriptional factors. d. promoters.arrow_forwardWhich of the following is generally true about eukaryotic gene regulatory regions? a. All regulatory regions lie within 200 base pairs of the promoter. b. Promoters are typically under control of a single regulatory sequence. c. Promoters are usually blocked through the action of repressors d. Enhancer sequences can be located thousands of base pairs upstream or downstream from the promoter.arrow_forwardWhich 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.arrow_forward
- Which of the following best explains how the prokaryotic expression of a metabolic protein can be regulated when the protein is already present at a high concentration? a.Repressor proteins can be activated and bind to regulatory sequences to block transcription. b.Regulatory proteins can be inactivated to increase gene expression. c.Transcription factors can bind to regulatory sequences to increase RNA polymerase binding. d.Histone modification can prevent transcription of the gene.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_forwardWhat are two reasons that a eukaryotic gene (e.g. Green Fluorescent Protein in jellyfish) will not be expressed if it is inserted into a bacterial genome with no alterations? a. Bacterial genes do not contain introns b. Bacterial promoters have different consensus sequences than eukaryotic ones c. Transcription of this gene is affected by the simultaneous processes of transcription and translation d.arrow_forward
- Which of the following is not true regarding gene regulation that involves DNA bending? a. The precise distance between the regulatory sequence and the promoter is important. b. Effect can be to repress transcription c. Effect can be to activation transcription d. Regulated genes can be thousands of base pairs away from the regulatory sitesarrow_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_forwardState true or false, giving a brief justification: 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. Typically, an enhancer may cause the downregulation of transcription.arrow_forward
- What is one function of TFIIH during transcription? a. Recruiting the TATA-box binding protein to the TATA-box. b. Terminating transcription via factor-dependent termination. c. Capping the 5' end of mRNA with 7-methylguanylate. d. Phosphorylating the CTD of RNA polymerase.arrow_forwardThrough alternative splicing, eukaryotes (a) reinforce gene inactivation (b) prevent transcription of heterochromatin (c) produce related but different proteins in different tissues (d) amplify genes to meet the requirement of high levels of a gene product (e) bind transcription factors to enhancers to activate transcriptionarrow_forwardWhich of the following DNA regions is NOT involved on gene expression regulation in Eukaryotes?. ( not enhancer or promotor-proximal) A. Promoter-proximal B. Promoter C. Enhancer D. Operatorarrow_forward
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