Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 19, Problem 10TY
Summary Introduction
Introduction: Horizontal gene transfer can be defined as the exchange of genetic contents between the unicellular and multi-cellular organisms that do not include the transmission of DNA from parent to offspring. This process is responsible for evolution by mixing the genetic material of two species.
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Which 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.
Horizontal 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.
The use of microorganisms to decrease pollutants in the environment is most accurately referred to as:
A.-transgenics
B.-bioremediation
C.-bacteriomics
D.-phytoremediation
E.-genetic engineering
Chapter 19 Solutions
Biology
Ch. 19.1 - Prob. 1CSCh. 19.2 - Prob. 1CSCh. 19.2 - Viral Reproductive Cycles Concept Check: From the...Ch. 19.4 - Genetic Properties of Bacteria Core Skill:...Ch. 19.4 - Prob. 1CCCh. 19.4 - Genetic Properties of Bacteria Concept Check:...Ch. 19.4 - Prob. 3CCCh. 19.5 - Prob. 1CCCh. 19.5 - Prob. 1EQCh. 19.5 - Prob. 2EQ
Ch. 19.5 - Gene Transfer Between Bacteria CoreSKILL The gene...Ch. 19.5 - Prob. 2CCCh. 19.5 - Gene Transfer Between Bacteria Core Skill:...Ch. 19.5 - Gene Transfer Between Bacteria Concept Check: Is...Ch. 19 - Prob. 1TYCh. 19 - The characteristics of viral genomes show many...Ch. 19 - During viral infection, attachment is usually...Ch. 19 - Prob. 4TYCh. 19 - Prob. 5TYCh. 19 - Prob. 6TYCh. 19 - Prob. 7TYCh. 19 - Prob. 8TYCh. 19 - Prob. 9TYCh. 19 - Prob. 10TYCh. 19 - How are viruses similar to living cells, and how...Ch. 19 - Prob. 2CQCh. 19 - Prob. 3CQCh. 19 - Prob. 1COQCh. 19 - Prob. 2COQ
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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
- The bacterium Agrobacterium infects plants and causes plant cells to develop tumorlike cellular structures and begin synthesizing sets of proteins that protect the bacterium from the plant immune response, as well as synthesize nutrients that can be used exclusively by the bacterium. Researchers testing the efficacy of two new antibiotic treatments against Agrobacterium are tasked with designing an experiment to test their effectiveness. Which of the following describes the most appropriate control group in this experiment? A B с D a group of infected and untreated plants of the same species a group of uninfected and untreated plants of a different species a group of infected and untreated plants of a different species a group of uninfected and untreated plants of the same speciesarrow_forwardSome 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 an example of epigenetics? a. X-inactivation. b. metagenomic analysis of microbial communities. c. using proteins to inhibit transcription. d. using PCR to amplify copies of genes.arrow_forward
- Which genes can be transferred by all three methods of horizontal gene transfer? a. capsule production b. toxin production c. F factord. drug resistancearrow_forwardWhen using gene therapy to treat an hereditary disease, the idea is to: A. Introduce the correct gene into the patient's DNA B. Inject the patient with a specific protein to cure the disease. C. Blood transfusions from healthy individuals. D. ntroduce mRNA molecules with the correct genetic information to the patient. E. Introduce a virus to the patient that will specifically destroy mutated cells.arrow_forwarde. coli is commonly found in the human Microbiome. while most strains are harmless some can cause various illnesses ranging from urinary track infections to severe gastroenteritis. which of the following is a primary mechanism by which e. coli obtains its pathogenicity? A. Vertical gene transfer from parent to offspring B. Endosymbiosis with other bacteria C. Mutation in the bacterial chromosome D. Horizontal gene transfer from other Bacteria or the environmentarrow_forward
- Which of the following apply to the development of streptomycin resistance in E. coli? Check That Apply 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 streptomycinarrow_forwardSome 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_forwardPhage conversion in which viruses add genes to a bacterial cell can be considered to be a form of a. standard inheritance. b. horizontal gene transfer. c. vertical gene transfer. d. parasitism.arrow_forward
- Imagine you go to the doctor because you are sick. You get antibiotics, but you hurry out of the hospital as fast as you can so you don’t pick up any antibiotic resistance genes as well. If genes were transferred directly from the environment, you could pick up a resistance gene by breathing the air. What type of gene transfer allows cells to pick up genes directly from the environment? a. Transformation b. Transduction c. Conjugation d. All of the abovearrow_forwardIn Hershey and Chase’s experiment investigating which biological molecule carries genetic information, they found that phage DNA with radiolabeled phosphorus was retained in bacterial cells after transduction. To conclude that DNA is the genetic material, what assumption did they have to make? (photo linked) A. Protein does not enter the bacterium during transduction. B. DNA does not stay in the media after transduction. C. All of the phage DNA was radiolabeled. D. Bacteria can be transduced by phage.arrow_forwardA person studying the rate of transcription of a particular gene is working in the field ofa. molecular genetics.b. transmission genetics.c. population genetics.d. None of the above is correct.arrow_forward
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