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 11.4, Problem 1CR
Summary Introduction
The genome consists of all essential information required for the survival of the organism. Genes are composed of DNA containing instructions either for coding a specific protein or to perform a specific function. Heritable modification in the
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Define mutagen.
Explain how a mutagen can interfere with DNA replication to cause a mutation. Give two examples.
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Chapter 11 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 11.1 - Distinguish between a mutation and a mutant.Ch. 11.1 - Distinguish between screening and selection.Ch. 11.1 - Prob. 3MQCh. 11.1 - Write a one-sentence definition of the term...Ch. 11.2 - Do missense mutations occur in genes encoding...Ch. 11.2 - Why do frameshift mutations generally have more...Ch. 11.2 - Prob. 1CRCh. 11.3 - Why are suppressor tRNA mutations not lethal?Ch. 11.3 - Which class of mutation, missense or nonsense, is...Ch. 11.3 - What is the difference between same-site and...
Ch. 11.4 - Prob. 1MQCh. 11.4 - Prob. 2MQCh. 11.4 - Prob. 1CRCh. 11.5 - Which protein, found in virtually all cells,...Ch. 11.5 - Explain the fate of transferred chromosomal DNA if...Ch. 11.5 - Prob. 3MQCh. 11.5 - What are heteroduplex regions of DNA and what...Ch. 11.6 - During transformation a cell usually incorporates...Ch. 11.6 - In genetic transformation, what is meant by the...Ch. 11.6 - QExplain why recipient cells do not successfully...Ch. 11.7 - Prob. 1MQCh. 11.7 - What is the major difference between generalized...Ch. 11.7 - Why is phage conversion considered beneficial to...Ch. 11.7 - QExplain how a generalized transducing particle...Ch. 11.8 - In conjugation, how are donor and recipient cells...Ch. 11.8 - Explain how rolling circle DNA replication allows...Ch. 11.8 - QWhat is a sex pilus and which cell type, F or F+,...Ch. 11.9 - In conjugation involving the F plasmid of...Ch. 11.9 - Prob. 2MQCh. 11.9 - Prob. 3MQCh. 11.9 - QWhat is a merodiploid and how does an F plasmid...Ch. 11.10 - Why is it usually more difficult to select...Ch. 11.10 - Why do penicillins not kill species of Archaea?Ch. 11.10 - Explain one type of conjugation in Archaea and how...Ch. 11.11 - Prob. 1MQCh. 11.11 - What is the significance of the terminal inverted...Ch. 11.11 - How can transposons be used in bacterial genetics?Ch. 11.11 - Prob. 1CRCh. 11.12 - Why is the CRISPR system considered a prokaryotic...Ch. 11.12 - Prob. 2MQCh. 11.12 - QExplain why incoming DNA recognized by a short...Ch. 11 - A constitutive mutant is a strain that...Ch. 11 - Although a large number of mutagenic chemicals are...Ch. 11 - Why is it difficult in a single experiment to...Ch. 11 - Prob. 4AQ
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- Distinguish between spontaneous and induced mutations. Give some examples of mutagens that cause induced mutations.arrow_forwardName three different types of loss of function mutations and in each case explain how the mutation exerts a loss of function effect on a genearrow_forwardWhat is mutagen? Give an example?arrow_forward
- Two types of mutations are (1) nucleotide changes and (2) unstable genome regions that undergo dynamic changes. Describe each type of mutation.arrow_forwardExplain the difference between a gain-of-function mutation and a dominant-negative mutation.arrow_forwardSome mutations affect changes in protein structure and function that can result in disease whereas other mutations have no significant effects on protein structure and function. Please explain reasons for the above mentioned statement. Human civilization has resulted in a large number of potentially mutagenic chemicals (e.g. pesticides) and has changed the environment to increase the likelihood of encountering other mutagens, especially UV radiation. What roles should the authorities play in identifying mutagens and regulating their release into the environment?arrow_forward
- Define the term Mutation?arrow_forwardWhat is a mutagen? Describe a point mutation, structuralmutation, and nondisjunctionarrow_forwardDiscuss the following mutations with reference to specific genetic disorders: i) Faulty DNA repair; ii) Gain-of-function; and iii) Trinucleotide repeats. Give steps for each mutations.arrow_forward
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