Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 14, Problem 8TYU
Through 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 transcription
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Q. Which of the following describes the role of acetylation during the chromatin remodeling that accompanies gene expression?
A. It adds an acetyl group to the DNA of a promoter sequence.
B. It adds an acetyl group to the histone protecting the promoter region of a gene.
C. It adds an acetyl group to the cyotsine nucleotides of DNA.
D. It adds an acetyl group to the histone protecting the transcription unit of a gene.
For each statement about gene expression mechanisms, choose the correct end to the sentence.
For each gene, the template strand for transcription is determined by….
The direction of translation is determined by……
The tissue-specificity of protein production is determined by….
choices:
a. location of the start codon
b. location of the promoter
c. direction of polymerization by RNA polymerase
d. none of these
e. direction of movement of ribosomes
f. overall orientation of the chromosome
Select four items that are involved in or related to transcriptional control of gene expression (in either pro- or eu-karyotes).
-Slide nucleosomes around
-control membrane hydrophobicity
-methylate DNA
-protein denaturation
-TFIID and its friends
-control mRNA stability
-control protein stability
-operator/repressor
-dynamic instability
Chapter 14 Solutions
Biology (MindTap Course List)
Ch. 14.1 - Explain why bacterial and eukaryotic cells have...Ch. 14.1 - Prob. 1CCh. 14.1 - Prob. 2CCh. 14.2 - Prob. 2LOCh. 14.2 - Distinguish among inducible, repressible, and...Ch. 14.2 - Differentiate between positive and negative...Ch. 14.2 - Prob. 5LOCh. 14.2 - Prob. 1CCh. 14.2 - What structural features does the trp operon share...Ch. 14.2 - Prob. 3C
Ch. 14.2 - Prob. 4CCh. 14.3 - Prob. 6LOCh. 14.3 - Give examples of some of the ways eukaryotic...Ch. 14.3 - Prob. 8LOCh. 14.3 - Prob. 9LOCh. 14.3 - Prob. 10LOCh. 14.3 - Prob. 1CCh. 14.3 - Prob. 2CCh. 14.3 - Prob. 3CCh. 14.3 - Prob. 4CCh. 14.3 - Prob. 5CCh. 14 - The regulation of most bacterial genes occurs at...Ch. 14 - Prob. 2TYUCh. 14 - Prob. 3TYUCh. 14 - Prob. 4TYUCh. 14 - Inactive genes tend to be found in (a) highly...Ch. 14 - Prob. 6TYUCh. 14 - Which of the following is characteristic of genes...Ch. 14 - Through alternative splicing, eukaryotes (a)...Ch. 14 - A mutation that inactivates the repressor gene of...Ch. 14 - Which of the following is an example of positive...Ch. 14 - Prob. 11TYUCh. 14 - PREDICT Compare the types of bacterial genes...Ch. 14 - INTERPRET DATA Develop a simple hypothesis that...Ch. 14 - Prob. 14TYUCh. 14 - Prob. 15TYUCh. 14 - EVOLUTION LINK Suggest why evolution resulted in...Ch. 14 - Prob. 17TYU
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- You are a genetic engineer that is working on transcriptional regulation in living organisms. In addition to your day job, you are a video game connoisseur and are designing a cell phone game where participants design the features of an organism that is the best at up-regulating transcription of a gene, WINNING. Participants are able to pick from a variety of organisms, cis regions, trans factors and a variety of enzymes. You want to set the high score on the leader board so you play the game and design the following features into your organism. - You need to describe ALL the features you will be including into your organism as well as what organism you picked for your entry. You need to include all the components of transcription, key features of transcriptional regulation and other features that will increase transcription to the highest level. You need to explain why you included every feature and how each will contribute to increased gene expression. Be creative and error on the…arrow_forwardList and briefly describe five types of molecular mechanisms thatmay underlie epigenetic gene regulation.arrow_forwardExplain aspects of the regulation of gene expression in eukaryotes?arrow_forward
- The most common type of regulation of gene expression occurs at the level of transcription. Name other types of gene regulation for gene expression in eukaryotic cells. Name types of gene regulation unique to eukaryotic cells versus prokaryotic cells.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 toactivate transcriptionarrow_forwardCompare and contrast the formation of mRNA in bacterial and eukaryotic cells. How do the differences affect the way in which each type of mRNA is translated? Does one system have obvious advantage in term of energy cost? Which system offers greater opportunities for control of gene expression?arrow_forward
- Which of the following is the best description of a transcription factor? A. A protein that brings the correct nucleotides to RNA polymerase B. A protein that binds to specific DNA sequences C. A DNA sequence that binds to RNA polymerase D. A modification that is made to mRNA to help it be exported from the nucleus. .arrow_forwardwhere, in relation to the protein-coding region of a gene, are the binding sites that become occupied by nuclear receptors? (a) upstream, (b) within the coding region, (c) downstreamarrow_forwardIdentify three key ways that TrXG genes promote transcription with respect to: Mediator Complex Structurearrow_forward
- 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.arrow_forwardWhat are the role of transcription proteins? Explain briefly at your own wordsarrow_forwardWhat are general transcription factors? When do you expect to find them? What is a cis acting regulatory sequence? Where are they located in comparison with the gene they are regulating?arrow_forward
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