Lysogeny: happens when phage DNA is incorporated into the host cell genome happens when the burst time is unusually long involves the lysis of the host cell is the period during replicaiton when virions are not present

Lysogeny: happens when phage DNA is incorporated into the host cell genome happens when the burst time is unusually long involves the lysis of the host cell is the period during replicaiton when virions are not present

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter20: Viruses, Bacteria, And Archaea

Section: Chapter Questions

Problem 3SQ

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Concept explainers

Viral Replication

The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes encode specific viral proteins.

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Question 15 When comparing replication of "naked" viruses" and enveloped viruses, which process occurs in replication of enveloped viruses which does not occur in replication of naked viruses? O"stealing" of host cell membranes after modification with viral proteins O biosynthesis O entry O assembly O attachment/adsorption Question 16 Bacteriophage Iytic Renlication Cclo
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.
Endogenote Exogenote Mating bridge Sex pilus Mating bridge HEYROBIOL MUURMAN III IIII III III A tube connecting an F+ to an F- bacterium during HGT that single-stranded DNA can be passed through. The DNA naturally occurring inside a host cell. Connection between a donor bacterium and a recipient that a single strand of DNA is passed through. Attaches to a recipient bacterium to stabilize it during horizontal gene transfer. A single strand of foreign DNA.
Figure 21.10 Which of the following statements is false? In the lytic cycle, new phages are produced and released into the environment. In the lysogenic cycle, phage DNA is incorporated into the host genome. An environmental stressor can cause the phage to initiate the lysogenic cycle. Cell lysis only occurs in the lytic cycle.
The chromosome shown below is O prokaryotic unreplicated O replicated dominant
Which is the usual order of a viral replication cycle when it is making new virions? O Host recognition > replication > entry > uncoating > release O Uncoating > host recognition > replication > entry > release O Prophase > metaphase > anaphase > telophase > cytokinesis Host recognition > entry > uncoating > replication > release MacBook Air DII DD F11 888 F8 F9 F7 F6 F5 F3 F4 & %24 % 7 8 LO
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
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false true Viruses do not reproduce .within host cell Phagocytosis is type of Lactive transport R.B.Cs have no mitochondria Phospholipids have similar structure to fat Prokaryotic cell has no mitochondria Channel protein form a small opening through the cell membrane All nucleic acids have no oxygen In prophase stage chromosomes become shorter Cell is defined as basic functional unit of living .organism Phospholipid bilayer of cell membrane has hydrophilic head only O O
The outer covering of a virion is called the ___. capsid cell membrane cell wall capsule
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