Brock Biology of Microorganisms
15th Edition
ISBN: 9780134626352
Author: MADIGAN
Publisher: PEARSON
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Textbook Question
Chapter 6.1, Problem 2MQ
- Why are most DMA-binding proteins specific to certain chemical groups within the DMA?
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Chapter 6 Solutions
Brock Biology of Microorganisms
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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- Give the normal value of CRP (C-Reactive Protein). Why is CRP significant? Is CRP specific to one disease?arrow_forwardWhat is meant by the binding problem, and what is necessary for binding to occur?arrow_forwardWhich factor determining the percent saturation of a binding site is the affinity of the binding site?arrow_forward
- Why are protein synthesis inhibitors typically broad spectrum? What might prevent a protein synthesis inhibitor from being broad-spectrum?arrow_forwardExplain how catabolite repression depends on an activatorproteinarrow_forwardWhat are the differences between the MWC model and the KNF model of allosteric regulation of proteins.arrow_forward
- What might be an explanation for how the human protein binding to pili protects against a UTI?arrow_forwardWhat are the primary proteolytic enzymes used to degrade immunoglobulin molecules into definable fragments to facilitate the study of their structure? Beside each peptide bond-splitting enzyme, indicate the number of fragments they produce after digestion.arrow_forwardHow can you decrease (or stop) the rate of binding for a noncompetitive inhibitor? Could you change the receptor allosteric sites to prevent noncompetitive binding?arrow_forward
- What is the importance of the arrangement of positive charges relative to the membrane orientation of a signal-anchor sequence?arrow_forwardThe nuclear import of proteins larger than 40 kDa requires the presence of what amino acid sequence? Describe the mechanism of nuclear import. How are nuclear transport receptors able to get through the nuclear pore complex?arrow_forwardWhy are structural analogs of sugar molecules (such as Oseltamivir and zanamivir) effective in treatment of influenza-virus infection?arrow_forward
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