Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 17, Problem 5MCQ
Summary Introduction
Introduction:
In bacteria sexual reproduction or exchange of genetic material can happen in three ways. These include conjugation, transduction and transformation. Transduction involves bacteriophage inserting its DNA in a bacterium, transformation involves taking up a foreign DNA by the bacteria from the environment and in conjugation one bacterium transfers some DNA into another bacterium.
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Conjugation involves which of the following:
a. transfer of plasmids among bacteria
b. sexual reproduction of Eukaryotes
c. uptake of free DNA from the environment
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...Explain your answer.
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Chapter 17 Solutions
Biology: Concepts and Investigations
Ch. 17.1 - What are two domains that contain prokaryotes?Ch. 17.1 - Prob. 2MCCh. 17.1 - Prob. 3MCCh. 17.1 - Prob. 4MCCh. 17.2 - Prob. 1MCCh. 17.2 - Prob. 2MCCh. 17.2 - What does the Gram stain reveal about a cell?Ch. 17.2 - Prob. 4MCCh. 17.2 - Prob. 5MCCh. 17.2 - How are molecular data changing microbial...
Ch. 17.2 - Prob. 7MCCh. 17.3 - Prob. 1MCCh. 17.3 - Prob. 2MCCh. 17.3 - Prob. 3MCCh. 17.4 - Prob. 1MCCh. 17.4 - Prob. 2MCCh. 17.4 - What adaptations enable pathogenic bacteria to...Ch. 17.4 - What are some practical uses of bacteria and...Ch. 17.5 - Prob. 1MCCh. 17.5 - Prob. 2MCCh. 17 - A prokaryotic cell is one that a. lacks DNA. b....Ch. 17 - Which of these is a distinguishing characteristic...Ch. 17 - What feature distinguishes the cell walls of...Ch. 17 - Prob. 4MCQCh. 17 - Prob. 5MCQCh. 17 - Prob. 6MCQCh. 17 - Prob. 7MCQCh. 17 - Prob. 8MCQCh. 17 - Explain why the antibiotics penicillin and...Ch. 17 - Give five examples that illustrate how bacteria...Ch. 17 - If you were developing a new "broad-spectrum"...Ch. 17 - Ernst Mayr defined a biological species as a...Ch. 17 - In an article in Nature magazine, Sean Nee wrote...Ch. 17 - Ecosystems rely on nitrogen -fixing bacteria,...Ch. 17 - Prob. 7WIOCh. 17 - Prob. 8WIOCh. 17 - Prob. 9WIOCh. 17 - Prob. 10WIOCh. 17 - Mycobacterium tuberculosis causes most cases of...Ch. 17 - Prob. 1PITCh. 17 - Add autotrophs, heterotrophs, phototrophs, and...Ch. 17 - Prob. 3PITCh. 17 - Prob. 4PITCh. 17 - Prob. 5PIT
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- Some strains of Escherichia coli bacteria have acquired the ability to produce the harmful Shiga toxin, normally produced by Shigella dysenteriae. Which statements best explain why this occurs? Mark all that apply. A. conjugation between two different species of bacteria allowed both strains of bacteria to express a virulence factor B. transformation resulted in expression of a virulence factor C. horizontal gene transfer between different species of bacteria D. transduction of a specific gene resulted in expression of new traitsarrow_forwardConjugation refers to Select one: a. Biofilm b. Formation of spores c. Transfer of genetic material between two bacterial cells a donor & a receptor d. Formation of vegetative cellsarrow_forwardThe difference between transformation and conjugation in bacteria consists of the fact that: a. only transformation involves the presence of a plasmid b. only conjugation involves the presence of a plasmid c. only conjugation involves the presencce of a sex pilus d. both answers b and c are correct e. none of the above answers arre correctarrow_forward
- Genetic information can be transferred horizontally from one bacterial cell to another cell of the "same generation" (versus daughter cells), leading to genetic recombination, by all of the following EXCEPT: A. Gene expression (transcription/translation/protein synthesis) B. Transformation C. Conjugation D. Transduction E. None of the other four answers (all are mechanisms of “horizontal transfer” genetic recombination)arrow_forwardWhich of the following best describes the mechanism of action of the antibiotic streptomycin? A. it disrupts protein synthesis in resistant bacteria. B. Streptomycin inhibits cell wall synthesis in all bacterial species. C. Streptomycin creates mutations in bacteria which cause them to become resistant. D. It disrupts protein synthesis in nonresistant bacteria.arrow_forwardExplain the importance of the following features in conjugating donor bacteria: a. the origin of transfer b. the conjugation pilus c. homologous recombination d. the relaxosome e. relaxase f. T strand DNA g. pillin proteinarrow_forward
- Which of the following is a structure that is not involved in conjugation in bacteria? A. sex pili B. mating bridge C. conjugative pili D. flagellumarrow_forwardWhich of the following statements is false? a. Plasmids can be exchanged between different species of bacteria. b. The blue circle represents a small chromosome. c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics. d. The blue circle represents a double-stranded molecule of DNA.arrow_forwardBacteria can acquire DNA directly from the environment through: please explain the answer a.Conjugation b.Transduction c.Natural transformation d.All of the abovearrow_forward
- Within prokaryotic organisms, . takes up DNA released by a donor cell that was lysed. is the process of exchanging genetic material that occurs when a host cell Select one: O a. Conjugation O b. Transformation c. Plasmid mediated gene transfer O d. Phage mediated gene transfer O e. Transductionarrow_forwardThe five stages of the bacteriophage lytic cycle occur in this order:a. penetration, attachment, release, maturation, biosynthesis.b. attachment, penetration, release, biosynthesis, maturation.c. biosynthesis, attachment, penetration, maturation, release.d. attachment, penetration, biosynthesis, maturation, release.e. penetration, biosynthesis, attachment, maturation, release.arrow_forwardDuring transduction via phage P1,a. any small fragment of the bacterial chromosome may betransferred to another bacterium by a phage.b. only a specific fragment of DNA may be transferred to anotherbacterium by a phage.c. any small fragment of the bacterial chromosome may betransferred during conjugation.d. only a specific fragment of DNA may be transferred duringconjugation.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license