Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7.2, Problem 2COMQ
Which of the following is a type of plasmid?
a. F factor (fertility factor)
b. R factor (resistance plasmid)
c. Virulence plasmids
d All of the above are types of plasmids.
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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 characteristics is not true of a plasmid?a. It is a circular piece of DNA.b. It is required for normal cell function.c. It is found in bacteria.d. It can be transferred from cell to cell.
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
Chapter 7 Solutions
Genetics: Analysis and Principles
Ch. 7.1 - 1. A form of genetic transfer that involves the...Ch. 7.2 - 1. A bacterial cell with an F factor conjugates...Ch. 7.2 - 2. Which of the following is a type of plasmid?...Ch. 7.3 - 1. With regard to conjugation, a key difference...Ch. 7.3 - 2. In mapping experiments, ______ strains are...Ch. 7.4 - Prob. 1COMQCh. 7.4 - Cotransduction may be used to map bacterial genes...Ch. 7.5 - Prob. 1COMQCh. 7.5 - Prob. 2COMQCh. 7.6 - 1. Which of the following is an example of...
Ch. 7 - 1. The terms conjugation, transduction, and...Ch. 7 - Prob. 2CONQCh. 7 - If you mix together an equal number of F+ and F...Ch. 7 - What is the difference between an F+ and an Hfr...Ch. 7 - 5. What is the role of the origin of transfer...Ch. 7 - 6. What is the role of sex pili during...Ch. 7 - Prob. 7CONQCh. 7 - Prob. 8CONQCh. 7 - Prob. 9CONQCh. 7 - 10. What is cotransduction? What determines the...Ch. 7 - Prob. 11CONQCh. 7 - Prob. 12CONQCh. 7 - Describe the steps that occur during bacterial...Ch. 7 - Prob. 14CONQCh. 7 - Prob. 15CONQCh. 7 - Antibiotics such as tetracycline, streptomycin,...Ch. 7 - Prob. 1EQCh. 7 - 2. In the experiment of Figure 7.1, Lederberg and...Ch. 7 - Explain how a U-tube apparatus can distinguish...Ch. 7 - Prob. 4EQCh. 7 - 5. In a conjugation experiment, what is meant by...Ch. 7 - In your laboratory, you have an F strain of E....Ch. 7 - 7. As mentioned in question 2 of More Genetic...Ch. 7 - An Hfr strain that is hisE+ and pheA+ was mixed...Ch. 7 - Acridine orange is a chemical that inhibits the...Ch. 7 - Prob. 10EQCh. 7 - Prob. 11EQCh. 7 - Lets suppose a new strain of P1 phage has been...Ch. 7 - If two bacterial genes are 0.6 minute apart on the...Ch. 7 - 14. In a cotransduction experiment involving P1,...Ch. 7 - Prob. 15EQCh. 7 - Prob. 16EQCh. 7 - 1. Discuss the advantages of the genetic analysis...Ch. 7 - Prob. 2QSDC
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- Choose the combination of answers that most accurately completes the statement.Which of the following characteristics is not true of a plasmid? a. It is a circular piece of DNA. b. It is required for normal cell function. c. It is found in bacteria. d. It can be transferred from cell to cell.arrow_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_forwardPlasmids 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_forward
- Why must a genetically engineered plasmid contain a genetic marker? a.) to prevent the construction of an artificial chromosome b.) to separate cells that contain recombinant DNA from those that do not c.) to produce multiple copies of the recombined plasmid after heat treatment d.) to break apart the circular plasmid and introduce another DNA fragmentarrow_forwardPlasmid vectors have the following characteristics, except _________ . a. MCS b. expression c. transfection d. single stranded e. cloningarrow_forwardWhich of the following is true about plasmids?a) They are present in all organismsb) They are present in bacteria onlyc) They are present in bacteria and phagesd) They are present in plants and animalsarrow_forward
- The plasmid (episome) F factor mediates which of the following? a. Transduction b. Transformation c. Conjugation d. Replication e. Translocationarrow_forwardThe addition of DNase to a mixture of donor and recipientcells will prevent gene transfer viaa) DNA transformation.b) chromosome transfer by conjugation.c) plasmid transfer by conjugation.d) generalized transduction.arrow_forwardWhat is the main difference between plasmid containing and control plates? Comment on what it means, and which factor you think creates this difference.arrow_forward
- Explain why the genes whose products are required for the normal growth of bacteria not carried on plasmids? Give two examples (one bacterial gene and one plasmid gene) to support your answer.arrow_forwardWhich gene is incorporated into plasmids to detect recombinantcells?a. restriction endonuclease b. virus receptors c. a gene for antibiotic resistance d. reverse transcriptasearrow_forwardOne cell transfers a plasmid to another by_______ . a. binary fission c. conjugation b. transformation d. the lytic pathwayarrow_forward
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