BIOLOGY VOL. II
16th Edition
ISBN: 9781308795317
Author: Raven
Publisher: Mcgraw-Hill/Create
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Textbook Question
Chapter 27, Problem 5S
How might phage λ be used to transfer E. coli genes between different bacterial cells? Could this be used to transfer any gene?
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Chapter 27 Solutions
BIOLOGY VOL. II
Ch. 27 - The reverse transcriptase enzyme is active in...Ch. 27 - Which of the following is NOT part of a virus? a....Ch. 27 - Which of the following is common in animal viruses...Ch. 27 - Which of the following would NOT be part of the...Ch. 27 - A process by which a virus may change a benign...Ch. 27 - Prob. 6UCh. 27 - Prob. 7UCh. 27 - Prob. 1ACh. 27 - The idea of a protein that was an infectious agent...Ch. 27 - Bacterial viruses and animal viruses are similar...
Ch. 27 - Prob. 4ACh. 27 - Phage conversion in which viruses add genes to a...Ch. 27 - According to the prion hypothesis, the infectious...Ch. 27 - Prob. 7ACh. 27 - Prob. 8ACh. 27 - E. coli lysogens derived from infection by phage ...Ch. 27 - Most biologists believe that viruses evolved...Ch. 27 - Prob. 3SCh. 27 - What do we mean by the term emerging virus? How is...Ch. 27 - How might phage be used to transfer E. coli genes...
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- The figure above shows a schematic of genes and transcription control elements from phage λ. Use this figure as an aid to help you describe the molecular events involved in: a) The establishment of lysogeny b) The establishment of a lytic life cyclearrow_forwardOne of the reasons why phage therapy has not been applied widely is that bacteria can become resistant to bacteriophages as well, through mutations in genes encoding for specific proteins. What would be a protein in the bacterial cell that, if mutated, would make that cell resistant to phage infection?arrow_forwardWhat is pGLO plasmid? How has it been engineered so that the cells that carry it can be detected? Attach a map of it.?arrow_forward
- When would it be beneficial to use a eukaryotic host formolecular cloning?arrow_forwardLambda phage çan facilitate bacterial chemosomal DNA transfer through the process of specialized transduction / generalized transduction (copy and paste the correct answer) A by transferring specific bacterial DNA / bacterial DNA at random (copy and paste the correct answer) A from a donor cell / recipient cell (copy and paste the correct answer) A to a donor cell / recipient cell (copy and paste the correct answer).arrow_forwardWhat is the horizontal gene transfer? Briefly describe major mechanisms for the horizontal gene transfer in bacteria?arrow_forward
- In which of the four processes shown can material from a bacterial genome be transferred from one cell to another? Which are forms of horizontal transmission? Place the answer(s) in the cell highlighting that process. Partial genome transfer by DNA uptake Transformation Answer Bank material from a bacterial genome horizontal gene transfer Conjugation Plasmids Conjugation Genome Plasmid transfer during conjugation Partial genome transfer during conjugation Virus Transduction Transfer as part of viral genomearrow_forwardIn the Hershey Chase experiment, why was the localization of radio-labeled phage of macromolecules in the cytoplasm the reason that the genetic material identity was proved.arrow_forwardDescribe the three different methods of horizontal gene transfer among bacteria and mention their significance. Be specific when discussing the donor versus recipient cell, and if the donor and recipient cells are still alive after each horizontal gene transfer event is complete. Please be detailed.arrow_forward
- Explain in molecular terms how a bacterial cell is made lysogenic by a temperate phage such a lambdaarrow_forwardDoes the Hershey and Chase experiment rule out the possibility that RNA is the genetic material of T2 phage? Explain. If it does not, redesign the experiments of Hershey and Chase to distinguish between DNA and RNA in the T2 phage.arrow_forwardBacterial conjugation has medical consequences. For example, certain plasmids contain genes that code for toxins. The causative agent of a deadly form of food poisoning, E. coli 0157, synthesizes a toxin that causes massive bloody diarrhea and kidney failure. This toxin is now believed to have originated in Shigella, another bacterium that causes dysentery. Similarly, the growing problem of antibiotic resistance is partly attributable to the spread of antibioticresistant genes among bacterial populations. Antibiotic resistance develops because antibiotics are overused in medical practice and in livestock feeds. Suggest a mechanism by which this extensive use promotes antibiotic resistance.arrow_forward
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