Foundations in Microbiology
9th Edition
ISBN: 9780073522609
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 9.L1, Problem 14MCQ
Summary Introduction
Introduction:
Plasmids are extra-chromosomal DNA that may or may not be present in a bacterial cell.
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Check out a sample textbook solutionStudents 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.
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 antibodies
Chapter 9 Solutions
Foundations in Microbiology
Ch. 9.1 - 1. Define heredity, genetics, genome, gene,...Ch. 9.1 - 2. Compare the basic nature of genetic material in...Ch. 9.1 - 3. Explain how DNA is organized and packaged.Ch. 9.1 - 4. Describe the chemical structure of DNA and Its...Ch. 9.1 - Prob. 5ELOCh. 9.1 - 6. Describe the process of DNA replication as it...Ch. 9.1 - 1. Compare the genetic material of eukaryotes,...Ch. 9.1 - 2. Characterize the organization of genetic...Ch. 9.1 - Prob. 3CYPCh. 9.1 - 4. What are the fundamental building blocks of DNA...
Ch. 9.1 - 5. Describe what is meant by the antiparallel...Ch. 9.1 - 6. Explain the synthesis of the leading and...Ch. 9.1 - 7. Name several characteristics of DNA structure...Ch. 9.2 - Prob. 7ELOCh. 9.2 - Prob. 8ELOCh. 9.2 - 9. Describe the different types of RNA and their...Ch. 9.2 - 11. Describe the genetic code, codons, and...Ch. 9.2 - 12. Recount the participants and steps in...Ch. 9.2 - Prob. 13ELOCh. 9.2 - 8. How is the language of a gene expressed?Ch. 9.2 - Prob. 9CYPCh. 9.2 - 10. Construct a table that compares the structure...Ch. 9.2 - Prob. 11CYPCh. 9.2 - Prob. 12CYPCh. 9.2 - Prob. 13CYPCh. 9.2 - Prob. 14CYPCh. 9.2 - 15. Briefly describe the events in translation.Ch. 9.2 - Prob. 16CYPCh. 9.2 - 17. Summarize how bacterial and eukaryotic cells...Ch. 9.2 - Prob. 18CYPCh. 9.3 - 14. Explain the functions of operons in bacterial...Ch. 9.3 - 15. Describe the main features of the lactose...Ch. 9.3 - 16. Describe the main features of repressible...Ch. 9.3 - 17. Summarize some aspects of genetic control by...Ch. 9.3 - 19. What is an operon? Describe the functions of...Ch. 9.3 - 20. Compare and contrast the lac operon and...Ch. 9.3 - Prob. 21CYPCh. 9.3 - 22. At which levels of DNA regulation do small...Ch. 9.4 - Prob. 18ELOCh. 9.4 - Summarize the causes and types of mutations and...Ch. 9.4 - Prob. 20ELOCh. 9.4 - Compare beneficial and detrimental effects of...Ch. 9.4 - Explain what is meant by the terms mutation and...Ch. 9.4 - Describe the primary causes, types, and outcomes...Ch. 9.4 - Explain the purposes behind replica plating and...Ch. 9.5 - Explain recombination in bacteria and what it...Ch. 9.5 - Describe the main features of conjugation and its...Ch. 9.5 - Prob. 24ELOCh. 9.5 - Identify the basic processes involved in...Ch. 9.5 - Discuss transposons and their importance to...Ch. 9.5 - Compare conjugation, transformation, and...Ch. 9.5 - Explain the differences between general and...Ch. 9.5 - By means of a flowchart, show the possible jumps...Ch. 9.6 - Explain the major elements of viral genetics.Ch. 9.6 - Compare aspects of the genetics of DNA and RNA...Ch. 9.6 - Explain why some viruses must enter the nucleus to...Ch. 9.6 - Explain the difference between positive-strand and...Ch. 9.L1 - What is the smallest unit of heredity (genotype)?...Ch. 9.L1 - Prob. 2MCQCh. 9.L1 - The nitrogen bases in DNA are bonded to the a....Ch. 9.L1 - DNA replication is considered semiconservative...Ch. 9.L1 - In DNA, adenine is the complementary base for...Ch. 9.L1 - The base pairs are held together primarily by a....Ch. 9.L1 - Why must the lagging strand of DNA be replicated...Ch. 9.L1 - Messenger RNA is formed by _______ of a gene on...Ch. 9.L1 - Prob. 9MCQCh. 9.L1 - Prob. 10MCQCh. 9.L1 - Prob. 11MCQCh. 9.L1 - Prob. 12MCQCh. 9.L1 - Prob. 13MCQCh. 9.L1 - Prob. 14MCQCh. 9.L1 - Which genetic material could be transmitted...Ch. 9.L1 - Prob. 16MCQCh. 9.L1 - Which of the following is present in prokaryotes...Ch. 9.L1 - Multiple Matching. Fill in the blanks with all the...Ch. 9.L1 - Prob. 1CSRCh. 9.L1 - Prob. 2CSRCh. 9.L1 - Explain how it would be possible for A. baumannii...Ch. 9.L1 - Prob. 1WCCh. 9.L1 - Prob. 2WCCh. 9.L1 - The following sequence represents triplets on DNA:...Ch. 9.L1 - Describe the actions οf all of the enzymes...Ch. 9.L1 - Prob. 5WCCh. 9.L2 - Knowing that retroviruses operate on the principle...Ch. 9.L2 - Using the piece of DNA in writing-challenge...Ch. 9.L2 - Why will a mistake in the RNA code alone not...Ch. 9.L2 - The enzymes required to carry out transcription...Ch. 9.L2 - Prob. 5CTCh. 9.L2 - Activation, transcription, and translation of the...Ch. 9.L2 - Explain the mechanisms by which RNA can control...Ch. 9.L2 - Ex�Ιain how epigenetics is related to the...Ch. 9.L2 - Use the concepts of chapters, letters, a whole...Ch. 9.L2 - From figure 9.17, step 3. Label each part of the...Ch. 9.L2 - Examine figure 8.11, and explain which type of...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A small nonessential circular DNA molecule in prokaryotes is called a: a. plasmid b. telomere c. bacteriophage d. prophagearrow_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_forwardWhich 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. Topoisomerasearrow_forward
- Which of the following statements is a lie? Select one: a. In humans, the genetic code is stored in 46 double-stranded DNA molecules. b. DNA packaging of prokaryotes into compact sizes is distinct to eukaryotic DNA packaging. c. Plasmids cause bacterial mutation and diversification thus they are essential components for cellular reproduction.arrow_forwardWhich of the following best describes the mechanism of action of the antibiotic streptomycin? A. it disrupts protein synthesis in resistant bacteria. B. Streptomycin inhibits cell wall synthesis in all bacterial species. C. Streptomycin creates mutations in bacteria which cause them to become resistant. D. It disrupts protein synthesis in nonresistant bacteria.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_forward
- Which statement(s) indicates one or more benefits of electroporation? A.) Possibility of introducing plasmids into cells B.) Very high transfection rate on neurons C.) Allows marking of endogenous proteins (i.e. naturally produced by the cell) with fluorescent proteins D.) Makes fluorescent cells without adding external productsarrow_forwardWhich of the following characteristics is not common in prokaryotic cells? a. chromatin b. double-stranded DNA c. plasmids d. linear chromosomesarrow_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_forward
- An experimental drug therapy to treat patients with antibiotic-resistant bacteria involves introduction of a highly specific bacteriophage to the infected patient's bloodstream. Which of the following bacteriophage types would be the LEAST useful for this therapy? a. a lytic bacteriophage b. An enveloped virus c. An RNA virus d. a lysogenic bacteriophagearrow_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_forwardDrag each definition in the boxes below and place it underneath the correct term that it corresponds to. Temporal isolation Paedomorphosis Fossil Record the chronicle of evolution over millions of years of geological time engraved in the order in which fossils appear in rock strata The retention in an adult organism of the juvenile features of its evolutionary ancestors a prezygotic barrier that inhibits breeding between 2 species because of different breeding timesarrow_forward
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