Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 6AQ
How would you design a regulatory system to make Escherichia coli use succinic acid in preference to glucose? How could you modify it so that E. coli prefers to use succinic acid in the light but glucose in the dark?
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Chapter 7 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 7.1 - Prob. 1MQCh. 7.1 - Prob. 2MQCh. 7.1 - Prob. 3MQCh. 7.2 - What is protein domain?Ch. 7.2 - Why are most DMA-binding proteins specific to...Ch. 7.3 - Why is negative control so named?Ch. 7.3 - How does a repressor inhibit the synthesis of a...Ch. 7.4 - Prob. 1MQCh. 7.4 - Prob. 2MQCh. 7.5 - Prob. 1MQ
Ch. 7.5 - Prob. 2MQCh. 7.5 - Explain how the lac operon is both positively and...Ch. 7.6 - What is the major difference between...Ch. 7.6 - How do transcriptional activators in Archaea often...Ch. 7.7 - What are kinases and what is their role in...Ch. 7.7 - Prob. 2MQCh. 7.8 - What are the primary response regulator and the...Ch. 7.8 - Why is adaptation during chemotaxis important?Ch. 7.8 - How does the response of the chemortaxis system to...Ch. 7.9 - Prob. 1MQCh. 7.9 - Prob. 2MQCh. 7.10 - Prob. 1MQCh. 7.10 - Prob. 2MQCh. 7.10 - Prob. 3MQCh. 7.11 - How are different sets of genes expressed in the...Ch. 7.11 - Prob. 2MQCh. 7.12 - Why are the levels of DnaA protein controlled...Ch. 7.12 - Prob. 2MQCh. 7.14 - Prob. 1MQCh. 7.14 - Prob. 2MQCh. 7.15 - What happens when a riboswitch binds the small...Ch. 7.15 - What are the major differences between a repressor...Ch. 7.16 - Why does attenuation control not occur in...Ch. 7.16 - Prob. 2MQCh. 7.17 - What is feedback inhibition?Ch. 7.17 - Prob. 2MQCh. 7.18 - Prob. 1MQCh. 7.18 - Prob. 2MQCh. 7 - Prob. 1RQCh. 7 - Describe why a protein that binds to a specific...Ch. 7 - REVIEW QUESTIONS
3. Most biosynthetic operons need...Ch. 7 - What is the difference between an operon and a...Ch. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Adaptation allows the mechanism controlling...Ch. 7 - How can quorum sensing be considered a regulatory...Ch. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Prob. 12RQCh. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 16RQCh. 7 - Prob. 17RQCh. 7 - Application Questions
1. What would happen to...Ch. 7 - Prob. 2AQCh. 7 - Prob. 3AQCh. 7 - Most of the regulatory systems described in this...Ch. 7 - Many amino acid biosynthetic operons under...Ch. 7 - How would you design a regulatory system to make...
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- The highly pathogenic anaerobic bacterium Clostridium perfringens is responsible for gas gangrene, a condition in which animal tissue structure is destroyed. This bacterium secretes an enzyme that efficiently catalyzes the hydrolysis of the peptide bond indicated in red: where X and Y are any of the 20 common amino acids. How does the secretion of this enzyme contribute to the invasiveness of this bacterium in human tissues? Why does thisenzyme not affect the bacterium itself?arrow_forwardWhat are the reagents and materials used/needed in the extraction of invertase from yeast? for a lab experiment regarding enzymes.arrow_forwardHow would azithromycin influence quorum sensing in this bacterium?arrow_forward
- When resources are limited for a bacterium, why would the bacterium be willing to spend energy to group translocate glucose?arrow_forwardHow would someone design an experiment to test the role of azithromycin on quorum sensing in Pseudomonas aeruginosa?arrow_forwardIn clinical chemistry, are enzymatic methods for determining glucose, cholesterol, and uric acid more preferred than non-enzymatic methods? Why or why not? In microbiology, are there techniques that can help make Bacterial Culture and Sensitivity done faster? Provide evidence of use in the Philippines.arrow_forward
- If an antibiotic were found to bind to a site on an essential bacterial enzyme other than the active site, what would its most likely mode of action be? Is it competitive or non-competitive?arrow_forwardWhy are some bacterial transformations ofxenobiotics possible only through cometabolism?arrow_forwardA researcher is trying to develop a media to isolate a strain of E.coli from a patient’s stomach. The research gives you an intestinal sample from the patient and she assurers you this sample contains the bacterial strain. Previous research shows that this strain of E.coli requires calpain to survive, which is a common enzyme found in beef. Using this information about calpain, how would you develop media to isolate this bacterial strain of E.coli?arrow_forward
- In Clinical Chemistry, are enzymatic methods for determining glucose, cholesterol and uric acid more preferred than non-enzymatic methods? Why or why not? In Microbiology, are there technologies that can help make Bacterial Culture and Sensitivity done faster? Provide evidence of use in our country.arrow_forwardIf you wanted to genetically engineer higher metabolic production of a target end product 'X', how would you do this?how would your approach differ in prokaryotes versus eukaryotes ?arrow_forwardYou have isolated a strain of E.coli that is resistant to penicillin,streptomycin,chloramphenicol and tetracycline. You also observe that when you mix this strain with a strain that is sensitive to all four antibiotics, the new strain becomes resistant to streptomycin,penicillin and chloramphenicol but not tetracycline. Explain how this is so?arrow_forward
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