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 6.13, Problem 2MQ
Summary Introduction
Attenuation is a process where the transcription is controlled by forming the alternative structure of stem loop after the initiation of transcription. This mechanism relies on the alternative stem loop structure present in the mRNA that is either stalling or in the form of read-through of the ribosome.
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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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- Explain three types of post-transcriptional modifications to RNA.arrow_forwardDescribe the recognition process by which the tRNA for Nformylmethionine interacts with the portion of mRNA that specifies the start of transcription.arrow_forwardExplain why RISC binds to a specific mRNA. What type of bonding occurs?arrow_forward
- Explain how an α helix in a transcription factor protein is able to function as a recognition helix.arrow_forwardGive a brief description of how RNAi works in cells specifying the molecules involved. (give relevant references)arrow_forwardDescribe the processing events that occur during the production of tRNA in E. coli.arrow_forward
- List three types of noncoding RNA and describe theirfunctions.arrow_forwardDescribe the process of RNA splicing, including the roles of the spliceosome and self-splicing RNA molecules.arrow_forwardThe set of RNAs within in a cell changes over time. Explain why this circumstance is an advantage.arrow_forward
- Define transfer RNA (tRNA)arrow_forwardDescribe the process where a peptide chain is formen from a code embedded in a nucleic acid molecule. Name the process, which mavromolecule plays a central role and which nucleic acid molecule is involved? What is the codon and how is the codon involved? How is it ensured that correct amino acid and in the correct order are bonded together?arrow_forwardCompare bacterial and eukaryotic mRNAs, and explain the functional significance of their structural differences.arrow_forward
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