Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 7, Problem 3TQ
Summary Introduction
To review:
The rapid loss of pseudogene in bacteria than in eukaryotes.
Introduction:
Two offspring cells are produced through the process of mitosis. These cells contain identical genetic material which is similar to the parent cell. DNA (deoxyribonucleic acid) present in each chromosome must undergo the process of replication in order to ensure equal division of genetic material in the daughter cells.
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Students have asked these similar questions
What is the term used to describe the genome of a bacterial cell that has been
infected by a phage utilizing lysogeny?
O 1) nucleocapsid
O 2) prophpage
O 3) provirus
O 4) lysogenome
O 5) chromatid
Why are prokaryotes able to replicate so much more quickly than eukaryotes? What cellular components must be copied before a cell splits in two?
Why is this difference in replication rate an important part of our vulnerability to bacterial pathogens?
How does recombination in bacteria differ from recombination in eukaryotes?
1) Recombination does not occur in prokaryotes
2) Only the plasmid DNA goes through recombination in prokaryotes
3) Sister chromatids, not homologous chromosomes, exchange information during recombination in prokaryotes
4) A portion of DNA from genome is replaced with homologous DNA from another strain of bacteria.
Chapter 7 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 7.2 - Prob. 1TQCh. 7.2 - Prob. 2TQCh. 7.2 - Prob. 3TQCh. 7.2 - Prob. 4TQCh. 7.3 - Prob. 1TQCh. 7.3 - Prob. 2TQCh. 7.3 - Prob. 3TQCh. 7.3 - Prob. 4TQCh. 7.3 - Prob. 5TQCh. 7.6 - Prob. 1TQ
Ch. 7.6 - Prob. 2TQCh. 7.6 - Prob. 3TQCh. 7 - Prob. 1RQCh. 7 - Prob. 2RQCh. 7 - Prob. 3RQCh. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 11RQCh. 7 - Prob. 12RQCh. 7 - Prob. 13RQCh. 7 - Prob. 14RQCh. 7 - Prob. 15RQCh. 7 - Prob. 1TQCh. 7 - Prob. 2TQCh. 7 - Prob. 3TQ
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- Which of the following statements is false? a) the bacterial chromosome is usually circular b) the bacterial chromosome has a single origin of replication c) the bacterial chromosome consists of a single molecule of DNA d) plasmids are small DNA molecules that occur in bacteria but are not essential - for normal function. e) Most bacterial genomes consist of fewer than 1,000 genesarrow_forwardWhich of the following is NOT a mechanism by which plasmids inerease the possibility of being present in the new generation of cells? A) O They can be present at a high number so that some copies will end up in each new cell after cell division. B) O They encode traits such as antibiotic resistance that are required for growth in some environments. C) O They cause the cell to replicate much more rapidly than cells that do not have plasmids. D) O They may carry host survival genes and self-preservation genes.arrow_forwardWhat does a bacteriophage accomplish with lysogeny? O 1) it allows the bacteriophage to destroy the host cell's DNA. 2) it enables the bacteriophage to take over the cell. O 3) it speeds up the viral infection cycle. 4) it allows the bacteriophage to infect cells it would not normally infect. O 5) the genetic material of the bacteriophage can be passed on to future generations of infected cells.arrow_forward
- In bacteria, acquisition of an F prime factor could result in the formation of a partial diploid. Theoretically, what other processes could result in creating a partial diploid? A) O transformation B) O conjugation C) O specialized transduction D) O generalized transduction D) O all of the abovearrow_forwardA cell is produced with a mutation that causes it produce a completely defective TFIIH. What does this likely mean for the fate of the cell? A) The cell's copied DNA may contain more errors. B) the cell cannot make RNA C) Producing RNAs will be slower because the polymerase will fall off the DNA more often. D) The cell cannot replicate its DNAarrow_forwardWhat is horizontal gene transfer? What are the three mechanisms for this to occur in bacteria? What are the components needed for the processes of transformation, conjugation, and transduction? How does each process occur? What genes are involved in each process? How do generalized and specialized transduction differ? What is the end result of each? What is recombination? What is the importance to bacteria & archaea? What are the two types of recombination? What are the details of each type? What components are needed for each type?arrow_forward
- The end of the chromosome in a prokaryotes A) is a telemore B) will get longer which each replication during cell division C) don’t exist D) is a telomere and shortens with every replication event during cell divisionarrow_forwardWhich of the following can self-replicate?A) centrosomeB) mitochondriaC) peroxisomeD) B and CE) allarrow_forwardWhich of the following plays a substantial role in linking together sister chromatids immediately after replication?a) Cohesinsb) Condensinsc) Histonesd) Topoisomerasesarrow_forward
- A plasmid may A) replicate independently of the chromosome. B) be transferred cell-to-cell during conjugation. C) be integrated into the chromosome. D) replicate independently of the chromosome, integrate into the chromosome, or be transferred cell-to-cell during conjugation.arrow_forward12) Viruses frequently infect bacteria and insert new genes into the genetic material of the bacteria. Wher these infected bacteria reproduce asexually, which genes would most likely be passed on? A) only the new genes B) neither the original nor the new genes C) only the original genes D) both the original and the new genesarrow_forwardWhich of the statements is TRUE about conjugation? a) Plasmid DNA is transferred from a donor (F+) cell b) It may only be performed by competent cells c) DNA is always integrated into recipient chromosome d) It may be specialized or generalizedarrow_forward
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