Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 6MCQ
Plasmids differ from transposons in that plasmids
- a. become inserted into chromosomes.
- b. are self-replicated outside the chromosome.
- c. move from chromosome to chromosome.
- d. carry genes for antibiotic resistance.
- e. none of the above
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Students have asked these similar questions
Which of the following statements is true of plasmids?
a. They are composed of RNA.
b. They normally exist outside of bacterial cells.
c. They possess only a single strand of DNA.
d. They contain an origin of replication
Which of the following statements is false?
a. Plasmids can be exchanged between different species of bacteria.
b. The blue circle represents a small chromosome.
c. The blue circle is a plasmid that contains genes that confer resistance to specific antiobiotics.
d. The blue circle represents a double-stranded molecule of DNA.
Which of the following one is liable for the conversion of covalently closed circular DNA to super coiled DNA of the plasmid?
a.Exonuclease
b.
DNA Gyras
c.
Endonuclease
d.
Topoisomerase
Chapter 8 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 8 - Briefly describe the components of DNA, and...Ch. 8 - DRAW IT Identify and mark each of the following on...Ch. 8 - Match the following examples of mutagens. Column A...Ch. 8 - The following is a code for a strand of DNA. a....Ch. 8 - Prob. 5RCh. 8 - Identify when (before transcription, after...Ch. 8 - Which sequence is the best target for damage by UV...Ch. 8 - You are provided with cultures with the following...Ch. 8 - Why are mutation and recombination important in...Ch. 8 - NAME IT Normally a commensal in the human...
Ch. 8 - Match the following terms to the definitions in...Ch. 8 - Match the following terms to the definitions in...Ch. 8 - Feedback inhibition differs from repression...Ch. 8 - Bacteria can acquire antibiotic resistance by all...Ch. 8 - Suppose you inoculate three flasks of minimal...Ch. 8 - Plasmids differ from transposons in that plasmids...Ch. 8 - Mechanism by which the presence of glucose...Ch. 8 - The mechanism by which lactose controls the lac...Ch. 8 - Two offspring cells are most likely to inherit...Ch. 8 - Which of the following is not a method of...Ch. 8 - Nucleoside analogs and ionizing radiation are used...Ch. 8 - Replication of the E. coli chromosome takes 40 to...Ch. 8 - Pseudomonas has a plasmid containing the mer...Ch. 8 - Ciprofloxacin, erythromycin, and acyclovir are...Ch. 8 - HIV, the virus that causes AIDS, was isolated from...Ch. 8 - Human herpesvirus-8 (HHV-8) is common in parts of...
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- Plasmids are circular extrachromosomal DNA in bacteria that play a role in: d. degradation of viruses a. growth of bacteria b. pathogenicity and antibiotic resistance c. production of antibodiesarrow_forwardWhich of the following is defined as transformation? A. Transfer of genetic information via a plasmid B. Virus infects a host and deposits genetic material C. Free floating DNA is uptaken D. Transfer of genetic information from one bacterium to another 5.arrow_forwardUsing one of the options below, finish the following statement so that it is correct. Plasmids are _________ a. extrachromosomal, circular molecules of RNA b. extrachromosomal, linear molecules of DNA c. None of these options are correct d. extrachromosomal, circular molecules of DNA e. extrachromosomal, linear molecules of RNAarrow_forward
- In nucleotide excision repair in E. coli, the function of the UvrA/UvrB complex is toa. detect DNA damage.b. make cuts on both sides of the damage.c. remove the damaged piece of DNA.d. replace the damaged DNA with undamaged DNA.arrow_forwardWhich of the following is a type of plasmid?a. F factor (fertility factor)b. R factor (resistance plasmid)c. Virulence plasmidsd. All of the above are types of plasmids.arrow_forwardSingle nucleotide polymorphisms are found ina. DNA. b. RNA.c. plasmidsd. siRNAarrow_forward
- Q: Hyperglycosylated genetically engineered proteins synthesized by some micro-organisms are usually induce human immune system O True a O False .b Q: Find the incorrect statement about plasmids CO they are circular a they replicate independently .b they are transferrable .c they are single stranded .d Q: Discontinuities of DNA nick can be fixed by ........... activity Nuclease .a Modifying enzymes .b O Ligase .c O Polymerisation d Q: Frameshifts means missreading of right sequence of a inserted genes presence of mutation that disturb the b sequence order a process that leads to generate .c different protein sequence All choice .d none of choices.e Q: Despite some drawbacks, E. Coli remains the most frequently used microbial eukaryote for recombinant protein synthesis O True .a O False .b Q: Even when the recombinant proteins are produced in mammalian cells, there are still some drawbacks can be occurred such as Protein folding a The yield of recombinant protein b Recombinant Protein…arrow_forwardR factors are ________ that contain a code for ______________ .a. genes, replicationb. plasmids, drug resistancec. transposons, interferond. plasmids, conjugationarrow_forwardWhich of the following statements describe reversal of DNA repair mechanism. A. UV light blocks the translation of mRNA beyond the damaged area B. Reversal of DNA repair mechanism requires a DNA template C. UV light is needed to initiate the formation of pyrimidine dimers D. None of the statement is correctarrow_forward
- A. Instead of having a linear chromosome, bacteria have a circular chromosome. B. Organisms living in fresh water environment need to use to remove water out of the cell so they don't burst. C. is covered in a silica test which is the main component of making glass. D. Name the structure labeled as "d".arrow_forwardChoose the one answer that fits best. Which of the following statements regarding bacteria is NOT correct? a. During conjugation, two bacteria exchange genetic information directly via pili b. Bacterial populations have a higher mutation rate because their DNA Polymerases do not have proofreading capability c. Bacterial growth by binary fission is exponential and each division usually takes only a couple of hour or less d. Plasmids carry just a few genes and are replicated independently from the bacterial chromosome e. Cocci that are arranged in clusters/bunches are called staphylococciarrow_forwardThe plasmid (episome) F factor mediates which of the following? a. Transduction b. Transformation c. Conjugation d. Replication e. Translocationarrow_forward
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