Chapter 16 Mechanisms of Genetic Variation

Chapter 16 Mechanisms of Genetic Variation

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Multiple Choice Questions

1. During generalized transduction
   A. the host chromosome is degraded into randomly sized fragments.
   B.  any DNA fragment of the appropriate size is packaged.
   C.  any bacterial gene may be transferred to the subsequent host.
   D.  All of the choices are correct.

ASM Objective: 04.03 The regulation of gene expression is influenced by external and internal molecular cues and/or signals.
ASM Topic: Module 04 Information Flow and Genetics
Blooms Level: 2. Understand
Learning Outcome: 16.08.01 Differentiate generalized transduction from specialized transduction
Section: 16.08
Topic: Genetic Recombination in Bacteria

2. Which of the following is not a strategy that bacteria use to resist the action of antibiotics?
   A. Modification of the antibiotic by the acetylation or phosphorylation.
   B.  Cleavage of a key structural component of the antibiotic.
   C.  Altering cell membrane structure to prevent antibiotic influx.
   D.  All of the choices are correct.

ASM Objective: 04.01 Genetic variations can impact microbial functions (e.g., in biofilm formation, pathogenicity and drug resistance).
ASM Objective: 04.03 The regulation of gene expression is influenced by external and internal molecular cues and/or signals.
ASM Topic: Module 04 Information Flow and Genetics
Blooms Level: 5. Evaluate
Learning Outcome: 16.09.02 Describe common mechanisms by which antimicrobial drug resistance occurs
Section: 16.09
Topic: Genetic Recombination in Bacteria

True / False Questions
 

3. Genes for antibiotic resistance can be found in antibiotic-producing bacteria as well as in non-antibiotic-producing bacteria.
   TRUE

ASM Objective: 04.01 Genetic variations can impact microbial functions (e.g., in biofilm formation, pathogenicity and drug resistance).
ASM Objective: 04.03 The regulation of gene expression is influenced by external and internal molecular cues and/or signals.
ASM Topic: Module 04 Information Flow and Genetics
Blooms Level: 4. Analyze
Learning Outcome: 16.09.01 Report the common reasons for increasing drug resistance
Section: 16.09
Topic: Genetic Recombination in Bacteria

Multiple Choice Questions

4. All of the following are appropriate strategies for overcoming drug resistance in bacteria except
   A. decreasing the use of antibiotics in agriculture.
   B.  patient compliance with dosage instructions when taking antibiotics.
   C.  heightened infection control in health care facilities.
   D.  prudent use of antibiotics when treating viral infections.

ASM Objective: 04.01 Genetic variations can impact microbial functions (e.g., in biofilm formation, pathogenicity and drug resistance).
ASM Objective: 04.03 The regulation of gene expression is influenced by external and internal molecular cues and/or signals.
ASM Topic: Module 04 Information Flow and Genetics
Blooms Level: 5. Evaluate
Learning Outcome: 16.09.03 Suggest strategies to overcome drug resistance
Section: 16.09
Topic: Genetic Recombination in Bacteria

True / False Questions
 

5. One strategy to overcome antibiotic resistance is to use the same antibiotics in animal husbandry as those that are prescribed for humans, since the potential for resistant bacteria to evolve would be limited to only a small number of drug classes.
   FALSE

ASM Objective: 01.03 Human impact on the environment influences the evolution of microorganisms (e.g, emerging diseases and the selection of antibiotic resistance).
ASM Objective: 04.03 The regulation of gene expression is influenced by external and internal molecular cues and/or signals.
ASM Topic: Module 04 Information Flow and Genetics
Blooms Level: 5. Evaluate
Learning Outcome: 16.09.03 Suggest strategies to overcome drug resistance
Section: 16.09
Topic: Genetic Recombination in Bacteria