Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 16.1, Problem 2SB
Answer the equivalent question for the trp operon: how would a mutation that prevents the Trp repressor from being made affect the regulation of the trp operon?
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Students have asked these similar questions
What would be the effect on tryptophan production of mutations in region 1 of the leader of the trp operon that changed the Trp codons to stop codons? Explain your reasoning
Describe how the components of the trp operon system are affected by a mutation in trpC?
Why is it that once enviornmental tryptophan is inserted into the cell, only the trp repressor is activated (turned on)?
Gene expression in bacteria is controlled by the operon model.
a) Why is the operon model important?
b) Why is the trp operon known as a repressible operon?
Chapter 16 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 16.1 - Suppose the lacl gene is mutated so that the Lac...Ch. 16.1 - Answer the equivalent question for the trp operon:...Ch. 16.2 - What is the role of histones in gene expression?...Ch. 16.2 - Prob. 2SBCh. 16.3 - Prob. 1SBCh. 16.3 - Prob. 2SBCh. 16.4 - Prob. 1SBCh. 16.4 - Prob. 2SBCh. 16.5 - Prob. 1SBCh. 16.5 - Prob. 2SB
Ch. 16.5 - Prob. 3SBCh. 16.5 - Prob. 4SBCh. 16 - Prob. 1TYKCh. 16 - For the E. coli lac operon, when lactose is...Ch. 16 - Prob. 3TYKCh. 16 - Prob. 4TYKCh. 16 - Prob. 5TYKCh. 16 - Prob. 6TYKCh. 16 - Prob. 7TYKCh. 16 - Prob. 8TYKCh. 16 - Prob. 9TYKCh. 16 - Prob. 10TYKCh. 16 - Discuss Concepts In a mutant strain of E. coli,...Ch. 16 - Prob. 12TYKCh. 16 - Prob. 13TYKCh. 16 - Prob. 14TYKCh. 16 - Design an experiment using rats as the model...Ch. 16 - Prob. 1ITDCh. 16 - Prob. 2ITDCh. 16 - Prob. 3ITDCh. 16 - Prob. 4ITD
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Describe what happens to the trp operon as the cell uses up its store of tryptophan.arrow_forwardWhich reaction normally happens in the regulation of the trp operon when high levels of tryptophan are present?arrow_forwardExplain how the trp operon is regulated by trp repressor and by attenuation.arrow_forward
- a mutation that leads to a nonfunctional adenylate cyclase enzyme would lead to what expression occuring at what levels to which operon?arrow_forwardIf the two trp codons in the leader sequence were mutated to stop codons, what effect would it have on gene expression of that operon.arrow_forwardDefine the following in the context of operons: a. positive control b. give an example of an operon that is under positive control c. negative control d. give an example of an operon that is under negative control e. repressor f. give an example of a repressor molecule g. activator h. give an example of an activatorarrow_forward
- What would happen if the operator sequence of the trp operon contained a mutation that prevented the repressor protein from binding to the operator? (Explain what would happen in both the presence and absence of tryptophan)arrow_forwardIn how many different ways is the regulation of the Trp operon?arrow_forwardIs the regulator protein that binds to the operator of this operon a repressor (negative control) or an activator (positive control)? Explain your reasoning.arrow_forward
- Explain and give an example (trp operon) of how repressor operons function in prokaryotes.arrow_forwardWhat would occur if the repressor of an inducible operon weremutated so it could not bind the operator?(A) irreversible binding of the repressor to the promoter(B) reduced transcription of the operon’s genes(C) buildup of a substrate for the pathway controlled by theoperon(D) continuous transcription of the operon’s genesarrow_forwardPlease complete the table representing the regulation of the lactose operon. Please highlight any data that provides evidence of trans regulation.arrow_forward
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