Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7, Problem 9SA
Compare and contrast regulation by a repressor to regulation by an activator.
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Contrast the role of the repressor in an inducible system and in a repressible system.
Compare and contrast the activities of an activator protein anda repressor protein.
Describe the function of activators and repressors.
Chapter 7 Solutions
Nester's Microbiology: A Human Perspective
Ch. 7 - Explain what semiconservative means with respect...Ch. 7 -
2. What is an origin of replication?
Ch. 7 - Why are primers required in DNA replication but...Ch. 7 -
4. What is polycistronic mRNA?
Ch. 7 -
5. Explain why knowing the orientation of a...Ch. 7 - What is the function of a sigma factor?Ch. 7 - Prob. 7SACh. 7 - Explain how some bacteria sense the density of...Ch. 7 -
9. Compare and contrast regulation by a repressor...Ch. 7 - Prob. 10SA
Ch. 7 - All of the following are involved in transcription...Ch. 7 -
2. All of the following are involved in DNA...Ch. 7 - All of the following are directly involved in...Ch. 7 - Using the DNA strand shown here as a template,...Ch. 7 -
5. A ribosome binds to the following mRNA at the...Ch. 7 - Which of the following statements about gene...Ch. 7 -
7. An enzyme used to synthesize the amino acid...Ch. 7 -
8. Under which of the following conditions will...Ch. 7 -
9. All of the following are characteristics of...Ch. 7 - Which of the following statements is false? a) A...Ch. 7 - A graduate student is trying to identity the gene...Ch. 7 - To isolate eukaryotic mRNA from cell lysates, a...Ch. 7 - Prob. 1CTCh. 7 -
2. In a variation of the experiment in the...
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- When taken up by a cell, which of the following molecules binds to a repressor so that the repressor no longer binds to the operator? a) inducer b) promoter c) repressor d) corepressorarrow_forwardCompare and contrast how activators, coactivators, repressors,TFIID, and mediator play a role in gene regulation.arrow_forwardAn activated eukaryotic transcription factor looks for specific:arrow_forward
- What repressors do?arrow_forwardA scientist identifies a potential transcription regulation site 300bp downstream of a gene and hypothesizes that it is a repressor. What experiment (with results) could he perform to support this hypothesis?arrow_forwardA repressor is a __________ that _________ transcription. a. small effector molecule, inhibits b. small effector molecule, enhances c. regulatory protein, inhibits d. regulatory protein, enhancesarrow_forward
- Explain the Structures of repressors?arrow_forwardWhat is the function of a repressor protein? Question 3 options: To turn on transcription by binding to the activator. To turn off transcription by binding to the operator. To turn on transcription by binding to the operator. To turn off transcription by binding to the activator.arrow_forwarddescribe the 4 types of suppressors inducer, repressor, promoter, and operator.arrow_forward
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