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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Chapter 14.2, Problem 2LO
Summary Introduction
To define: The operon and explain the functions of the operator and promoter regions.
Introduction: Gene regulation is a process where the expression of genes is controlled for the synthesis of specified gene products (usually RNA or proteins). This gene expression is regulated depending on the requirement of the cell. Prokaryotic and eukaryotic genes have differential gene expression in order to suit the specific needs of the cell. Prokaryotic cells have operons.
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Differentiate between inducible and repressible operon.
Describe the main features of repressible operons.
Describe the difference between a repressible and an inducible operon.
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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- Define an operon.give an example,exaplain an inducible operon?arrow_forwardDescribe the structure of an operon and state the role ofeach component of the operon.arrow_forwardB. A researcher was trying to determine whether two molecules (A and B) were corepressors or inducers in their respective operon systems. Data was collected regarding the levels of protein and the amount of gene transcription for the genes in their respective operons. The data is shown below: Level of protein High Transcription of gene 1 Transcription of gene 2 Molecule A Low Low High High low High High Low Molecule B High low Low a) Dete b) Identify which system resembles the lac operon system and which resembles the trp operons system nine whether molecule A and molecule B are ducers or corepressors. Justify your answers.arrow_forward
- "Promoter is unmethylated, and gene can be transcribed" Illustrate this diagramtically ?arrow_forwardUse the lac operon to describe the process of controlling transcription through operons (structural gene, operator (vs. promoter), inducer, repressor, regulatory gene)arrow_forwardDescribe a bacterial operon's structural advantage. Explain transcriptional stages such as initiation, elongation, and termination. In this article, please explain on the involvement of the sigma factor, elongation processes, and attenuation.arrow_forward
- Explain the process of attenuation of the trp operon under high tryptophan levels.arrow_forwardExpression of the operon ultimately results in the synthesis of the repressor (Q) and co-repressor (W) proteins. What happens to regulation/control of the operon upon accumulation of Q and W proteins?arrow_forwardIdentify the different functions of the genes coded in the lac operon region.arrow_forward
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