BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 26, Problem 7A
Summary Introduction
Introduction: Any groups of viruses that infect and replicate within the bacteria is referred to as a bacteriophage. They inject their own genetic material into the bacterial cells and use the biological machinery of the bacteria for their reproduction.
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A bacterial species that becomes resistant to certain antibiotics mayhave acquired the resistance genes from another bacterial species. Thephenomenon of acquiring genes from another organism without beingthe offspring of that organism is known asa. hybridization.b. integration.c. horizontal gene transfer.d. vertical gene transfer.e. competence.
Which of the following apply to the development of streptomycin resistance in E. coli?
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A. The E. coli population has genetic variation
B. The selective agent is streptomycin
C. The mutation resulting in streptomycin resistance is random
D. E coll changes its gene structure to become antobiotic resistant in the presence of streptomycin
Which genes can be transferred by all three methods of horizontal gene transfer? a. capsule production b. toxin production c. F factord. drug resistance
Chapter 26 Solutions
BIOLOGY
Ch. 26.1 - Prob. 1LOCh. 26.1 - Prob. 2LOCh. 26.2 - Prob. 1LOCh. 26.2 - Prob. 2LOCh. 26.3 - Prob. 1LOCh. 26.3 - Describe how viruses can contribute DNA to their...Ch. 26.4 - Describe the differences between acute and...Ch. 26.4 - Prob. 2LOCh. 26.4 - Prob. 3LOCh. 26.5 - Prob. 1LO
Ch. 26 - Prob. 1UCh. 26 - Prob. 2UCh. 26 - Prob. 3UCh. 26 - Prob. 4UCh. 26 - Why is a drug that blocks HIV binding to one of...Ch. 26 - Prob. 6UCh. 26 - Prob. 7UCh. 26 - Prob. 1ACh. 26 - Prob. 2ACh. 26 - Prob. 3ACh. 26 - Prob. 4ACh. 26 - Prob. 5ACh. 26 - Prob. 6ACh. 26 - Prob. 7ACh. 26 - E. coli lysogens derived from infection by phage ...Ch. 26 - Prob. 2SCh. 26 - Prob. 3SCh. 26 - Prob. 4SCh. 26 - Prob. 5S
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- In the MRSA case study discussed in class, after 12 weeks a mutant arose. This mu- tant formed smaller colonies on a blood agar plate when compared to the wild type MRSA iso- 3. lated 12 weeks earlier. The ability of that mutant to form small colonies is an example of when compared to the wild type. A. Sweep B. Bottleneck C. Founder effect D. Genetic driftarrow_forwardWhich of the following statements does not support how prokaryotes have a large amount of genetic variation A. The mutation rate in prokaryotes is not particularly high B. Prokaryotes have extremely short generation times and large populations C. They can exchange DNA with many types of prokaryotes by way of horizontal gene transfer D. They have a relatively small genomearrow_forwardHorizontal gene transfer is a process in which genetic material from an organism is a. transferred from cell to cell. b. transferred to its offspring. c. transferred to another organism that is not the offspring of the first organism. d. released into the environment.arrow_forward
- Some bacterial species preferentially take up DNA fragments from members of their own species. This uptake can be promoted bya. competence-stimulating peptide (CSP).b. DNA uptake signal sequences.c. both a and b.d. none of the above.arrow_forwardWhich of the following is NOT a method by which bacteria can be resistant to antibiotics? Select one: a. Utilise an alternate pathway of gene expression that is not targeted by the antibiotic. b. Alter the binding site of the antibiotic, to either prevent it binding, or remove it from the site. c. Production of enzymes that bind to and break down the specific antibiotic. d. Production of a cell membrane pump that translocates antibiotics outside the cell. A potential side effect of antibiotic use is a secondary bacterial or fungal infection, usually associated with regions like the skin, upper-respiratory tract or genitalia. What is the most likely reason for the formation of these secondary infections? Select one: a. Antibiotics do not work on viruses, so they are able to establish infections in these locations. b. Organisms that are antibiotic resistant are usually more virulent, meaning they can survive and cause infection. c. The antibiotic kills off normal flora, providing an…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_forward
- The information that enables the organism to survive and is transferred from parent to offspring is found in a. DNA. b. the cell membrane. c. a spiral ladder. d. proteins.arrow_forwardThe endemic plant Dichanthelium lanuginosum requires the presence of the fungus Curvularia protuberata to survive in hot environments, and the fungus in turn requires the presence of the virus CThhTV. When the fungi is absent, the plant will wilt away in hot soils. This situation involving several species whose effects are not independent of one another is an example of _____ coevolution. A. antagonistic B. specific C. escape-and-radiate D. diffusearrow_forwardWhich of these statements is true? a. An antibiotic is any substance produced by a organism that is antagonistic to the growth of prokaryotes. b. An antibiotic is any substance produced by a prokaryote that is antagonistic to the growth of other viruses. c. An antibiotic is any substance produced by a prokaryote that is antagonistic to the growth of eukaryotic cells. d. An antibiotic is any substance produced by a prokaryote that prevents growth of the same prokaryote.arrow_forward
- A form of genetic transfer that involves the uptake of a fragment of DNA from the environment is calleda. conjugation.b. transduction.c. transformation.d. all of the above.arrow_forwardThis phenomenon happens when two or more beneficial mutations spread through a population at the same time. A. Muller's ratchet B. Clonal interference C. Coalescence D. Ruby in the rubbish effetarrow_forwardIn a removal experiment to test for interactiosn between species A and B, what should be the control treatment? a. Species A by itself b. Species B by itself c. Species A and B together d. Treatment that contains neither species A or B e. There is not enough information to answer this questionarrow_forward
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