Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 6.10, Problem 2MQ
Summary Introduction
The global regulatory response uses the alternative
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Explain the role of an anti-sigma factor.
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ATR is a protein kinase that is activated by double stranded DNA breaks.
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Ob) False
Chapter 6 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 6.1 - What is protein domain?Ch. 6.1 - Why are most DMA-binding proteins specific to...Ch. 6.1 - Describe why a protein that binds to a specific...Ch. 6.2 - Why is negative control so named?Ch. 6.2 - How does a repressor inhibit the synthesis of a...Ch. 6.2 - Induction is considered the opposite of enzyme...Ch. 6.3 - Prob. 1MQCh. 6.3 - Prob. 2MQCh. 6.3 - What is the difference between an operon and a...Ch. 6.4 - Prob. 1MQ
Ch. 6.4 - Prob. 2MQCh. 6.4 - Explain how the lac operon is both positively and...Ch. 6.4 - Prob. 1CRCh. 6.5 - What is the major difference between...Ch. 6.5 - How do transcriptional activators in Archaea often...Ch. 6.5 - Explain how the Pyrococcus furiosus TrmBL1...Ch. 6.5 - Prob. 1CRCh. 6.6 - What are kinases and what is their role in...Ch. 6.6 - Prob. 2MQCh. 6.6 - Prob. 1CRCh. 6.7 - What are the primary response regulator and the...Ch. 6.7 - Why is adaptation during chemotaxis important?Ch. 6.7 - How does the response of the chemortaxis system to...Ch. 6.7 - Adaptation allows the mechanism controlling...Ch. 6.8 - What advantage do quorum-sensing systems confer on...Ch. 6.8 - Prob. 2MQCh. 6.8 - Prob. 3MQCh. 6.8 - How can quorum sensing be considered a regulatory...Ch. 6.9 - Which Escherichia coli genes are activated and...Ch. 6.9 - Prob. 2MQCh. 6.9 - What are some other conditions that trigger the...Ch. 6.9 - Explain the sequence of molecular events that...Ch. 6.10 - Prob. 1MQCh. 6.10 - Prob. 2MQCh. 6.10 - Prob. 3MQCh. 6.10 - Prob. 1CRCh. 6.11 - Prob. 1MQCh. 6.11 - Prob. 2MQCh. 6.11 - Prob. 3MQCh. 6.11 - What are the mechanisms by which regulation by...Ch. 6.12 - What happens when a riboswitch binds the small...Ch. 6.12 - What are the major differences between a repressor...Ch. 6.12 - What is the mechanism by which a riboswitch...Ch. 6.13 - Why does attenuation control not occur in...Ch. 6.13 - Prob. 2MQCh. 6.13 - Prob. 1CRCh. 6.14 - What is feedback inhibition?Ch. 6.14 - Prob. 2MQCh. 6.14 - Prob. 3MQCh. 6.14 - Describe how feedback inhibition is reversible.Ch. 6.15 - What types of covalent modifications commonly...Ch. 6.15 - Prob. 2MQCh. 6.15 - Explain the role of an anti-sigma factor.Ch. 6.15 - Which nucleotides are commonly used to covalently...Ch. 6 - What would happen to regulation from a promoter...Ch. 6 - Most of the regulatory systems described in this...Ch. 6 - Many amino acid biosynthetic operons under...Ch. 6 - How would you design a regulatory system to make...
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- What would be the effect of a mutation in an allosteric enzyme that resulted in a T/R ratio of 0?arrow_forwardWhat is the primary function of the sigma factor? Is therea protein in eukaryotes analogous to the sigma factor?arrow_forward4:32 120-201 FA22 Homework 02 2.docx 10. When a primary signal needs to be sent to most cells throughout a multicellular organism, the signal most suited for this is a AG) neurotransmitter. AH) hormone. AI) dissolved gas. AJ) transcription factor. AK) translation elongation factor Answer: Explanation: 5G 100 AM) the steroid hormones AN) tyrosine-derived epinephrin and norepinephrin AO) serotonin and melatonin (tryptophan-derived mammalian neurotransmitters) 11. Hydrophobic primary messengers usually cause molecular changes leading to modifications in metabolism. Examples of hydrophobic primary messengers are Explain what are their general chemical properties. AL) thyroxine (tyrosine-derived hormone) and insulin (a small peptide hormone) AP) auxins (tryptophan-derived plant hormones) Answer: Explanation: 12. Which statement regarding cell-surface receptors is correct? AQ) lon-channel-coupled receptors alter the membrane potential directly by changing the permeability of the plasma…arrow_forward
- Which of the conformations illustrated above (a or b) is more likely PrPc (the normal cellular form of PrP) and which is more likely PrPSc (the pathogenic form of PrP)? Why?arrow_forwardWhat is an anti-sigma factor and how can its effect beovercome?arrow_forwardDescribe the types of cellular damage caused by ROS.arrow_forward
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