In lytic cycle of bacteriophage replication a. bacteriophage transfers bacterial DNA b. viral DNA masters the bacterial cell and the bacterial genome is degraded c. bacteria take up double stranded DNA from the environment d. a bacteriophage genome is integrated into the bacterial genome e. sex pilus is involved a. a b. b С. С d. d е. е

In lytic cycle of bacteriophage replication a. bacteriophage transfers bacterial DNA b. viral DNA masters the bacterial cell and the bacterial genome is degraded c. bacteria take up double stranded DNA from the environment d. a bacteriophage genome is integrated into the bacterial genome e. sex pilus is involved a. a b. b С. С d. d е. е

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter19: Viruses, Bacteria, And Archaea

Section: Chapter Questions

Problem 3SA: In _______, viral DNA becomes integrated into a bacterial chromosome and is passed to descendant...

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If a single bacteriophage infects one E. coli cell present in a cultureof bacteria and, upon lysis, yields 200 viable viruses, howmany phages will exist in a single plaque if three more lytic cyclesoccur?
2 3 inte tion of Lormhda. ne att si ucated betwee de ne att sites and go ns one te n vacter aged ot utilize doot ractose ato la t don s gal* uc Integration to form prophage om SOward cor coct some cro on! ni imple ex 2 3 bio* gal* 14. The figure provided portrays the integration of Lambda phage into a host chromosome at the att site, located between the gal+ and bio+ genes. This prophage may disintegrate from the host carrying with it host genes, such as gal+ and/or bio+ and go on to transduce another host bacterium. How would one determine if a gal- host bacterium's phenotype was changed from gal- to gal+? To clarify, the minus version cannot utilize galactose as a carbon source for growth because it does not produce galactase, the enzyme that hydrolyzes galactose into monomeric sugars. There is a straight forward answer/solution to this – do not concoct some crazy solution! Think simple experiment.
The process by which non-viral DNA is brought into a bacterial cell by a phage is referred to as Transformation OTranslation O Vaccination O Ligation O Transduction O Transposition Conjugation
Which of the following is true of Generalized transduction? O creates defective virions that are missing the entire phage genome phage and host DNA are both packed in the capsid by error Cha type of Hirgone transfer Frequency is I in 10¹ O occurs during the lysogenic cycle
Match the terms 1Genome surrounded by a protein coat 2Functional viral particle capable to infect a new host cell 3Infectious protein 4Infectious agent that needs helper virus for infection 5T4 enzyme that creates holes in the E. coli plasma membrane 6When a temperate phage stimulates their bacterial host tostart producing a toxin (e.g. cholera, shiga) 7Virus that infects bacteria 8Hand N spikes 9Virus without an envelope 10Most common and best studies virulent phage of E. coli 11Protein coat that surrounds viral genome 12:true or false : some viruses can cause cancer [ Choose ] lambda True pathogenic stimulation False Nucleocapsid lysosome Naked virus induction lysozyme Flu viruses tobacco mosaic virus lysogeny capsid Lysogenic conversion Holin Prion satellite bacteriophage (or just phage) T4 Virion Streptococcus
The first phase in the multiplication of Bacteriophages is Release O Maturation O Biosynthesis O Attachment O Penetration
When bacteriophage P1 causes E. coli to lyse, the resulting materialis called a P1 lysate. What type of genetic material would befound in most of the P1 phages in the lysate? What kind of geneticmaterial is occasionally found within a P1 phage?
Each species of bacteria has its own distinctive cell surface. Thecharacteristics of the cell surface play an important role in processessuch as conjugation and transduction. For example, certainstrains of E. coli have pili on their cell surface. These pili enableE. coli to conjugate with other E. coli and also enable certain bacteriophages (such as M13) to bind to the surface of the E. coli andgain entry into the cytoplasm. With these ideas in mind, explainwhich forms of genetic transfer (i.e., conjugation, transduction,and transformation) are more likely to occur between different speciesof bacteria. Discuss some of the potential consequences ofinterspecies genetic transfer.
ion 91 In the lytic life cycle of phages et ered Select one: ed out of a. the cell typically dies, releasing many copies of the virus e question O b. the viral capsid is assembled according to the genetic information of the bacterium O c. the entire phage is taken into the bacterium O d. DNA replication is not part of the life cycle e. phage DNA is incorporated into the host cell's genome
Sex pili are to conjugation as ____________ is/are to transduction. the host chromosome bacteriophages plasmids genes
Bacteriophage-viruses infect Select one: O a. Virus O b. Prokaryotes C. Bacteria O d. DNA Clear my choice erials Jump to...
5 2 points Which of the following are TRUE when a bacterium engages in conjugation: sex pilus production occurs gene transfer always involves Hfr cells a plasmid for competency must be exchanged naked DNA is essential Clear my selection Previous