Microbial Classification and Cell Structures Quiz
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Questions and Answers

What is the classification of Escherichia coli?

  • Archaea
  • Virus
  • Eukaryotic species
  • Prokaryotic species (correct)

    • What is the primary reason viruses are not considered living organisms?

  • Require host cells to reproduce
  • Lack of anabolic machinery (correct)
  • Lack of cells
  • Lack of genome

    • What is the primary basis for the more recent classification of bacteria?

  • Serology and staining
  • Morphology and staining
  • DNA, RNA, and protein sequences (correct)
  • Metabolism and biochemistry

    • Which group of bacteria stains violet in the Gram staining method?

    <p>Gram +</p> Signup and view all the answers

    What is the primary distinguishing characteristic of a clone?

    <p>Cells originated from a single cell</p> Signup and view all the answers

    What is the primary requirement for viruses to reproduce?

    <p>Host cells</p> Signup and view all the answers

    What is the primary basis for the classification of viruses?

    <p>Genome</p> Signup and view all the answers

    What is the primary characteristic of organisms classified as Archaea?

    <p>Lack of cell wall</p> Signup and view all the answers

    What is the primary function of Bergey’s Manual?

    <p>Identifying and classifying microorganisms</p> Signup and view all the answers

    What is the primary characteristic of bacteria in the Gram - group?

    <p>Destain and counterstain pink or reddish color</p> Signup and view all the answers

    What is the main difference between prokaryotic and eukaryotic organisms?

    <p>Presence or absence of nucleus and membrane-bound organelles</p> Signup and view all the answers

    What are viruses composed of?

    <p>Nucleic acid and protein</p> Signup and view all the answers

    What is taxonomy?

    <p>The science that studies organisms to arrange them into groups</p> Signup and view all the answers

    What are the three separate but interrelated areas of taxonomy?

    <p>Identification, classification, nomenclature</p> Signup and view all the answers

    What did Carl Woese propose in 1978 based on his classification study?

    <p>Three domains of life</p> Signup and view all the answers

    What is binomial nomenclature?

    <p>A system of naming organisms using two Latinized names</p> Signup and view all the answers

    What are the two components of an organism's name in binomial nomenclature?

    <p>Genus and species</p> Signup and view all the answers

    What is the main characteristic used to classify organisms into the five kingdoms?

    <p>Morphology, metabolism, and molecular techniques</p> Signup and view all the answers

    What is the main difference between prokaryotic and eukaryotic cell structures?

    <p>Presence or absence of nucleus and membrane-bound organelles</p> Signup and view all the answers

    What is the main characteristic of viruses?

    <p>Acellular and parasitic</p> Signup and view all the answers

    Escherichia coli is commonly known as E. coli because it is a _________ species

    <p>prokaryotic</p> Signup and view all the answers

    Classification of Bacteria in Bergey’s Manual is primarily based on _________, staining, metabolism, biochemistry, and serology

    <p>morphology</p> Signup and view all the answers

    Viruses are not considered living because they lack _________ machinery and require host cells to reproduce

    <p>anabolic</p> Signup and view all the answers

    The _________ division of bacteria lacks a cell wall and is now called 'Archaea'

    <p>organisms</p> Signup and view all the answers

    Bergey’s Manual provides a reference for identifying and classifying microorganisms based on their _________, RNA, and protein sequences

    <p>DNA</p> Signup and view all the answers

    Taxonomic Hierarchy King Phillip Came Over For Grasshopper Soup is a mnemonic for remembering the _________ classification of organisms

    <p>taxonomic</p> Signup and view all the answers

    Bacteria that stain violet in the Gram staining method belong to the _________ group

    <p>Gram +</p> Signup and view all the answers

    The lack of 'peptidoglycan' in the cell wall is a characteristic of _________

    <p>organisms</p> Signup and view all the answers

    Viruses have either RNA or DNA as their _________

    <p>genome</p> Signup and view all the answers

    The primary basis for the more recent classification of bacteria is their DNA, _________, and protein sequences

    <p>RNA</p> Signup and view all the answers

    Microbial Classification is the science that studies organisms to arrange them into groups, or taxa. Three separate but interrelated areas of taxonomy are: ______

    <p>Identification, Process of characterizing in order to group, Classification, Arranging organisms into similar or related groups, Nomenclature, System of assigning names</p> Signup and view all the answers

    1978 Carl Woese proposed three domains based on: Cell wall, Membrane lipids, RNA sequence, Protein synthesis, Antibiotic sensitivity. Three Domains Naming Microorganisms Binomial nomenclature Used worldwide A system of naming organisms first proposed in the 1700s by Swedish scientist Carolus Linnaeus. Each organism is given two Latinized names: Genus – Capitalized Species - lowercase Both italicized or underlined ______

    <p>Staphylococcus aureus</p> Signup and view all the answers

    Microbial Classification Five Kingdoms - based on: Morphology, Metabolism, Molecular Techniques. Classification History Classification History Five Kingdoms - based on: Morphology, Metabolism, Molecular Techniques. Classification History 1978 Carl Woese proposed three domains based on: Cell wall, Membrane lipids, RNA sequence, Protein synthesis, Antibiotic sensitivity. Three Domains Naming Microorganisms Binomial nomenclature Used worldwide A system of naming organisms first proposed in the 1700s by Swedish scientist Carolus Linnaeus. Each organism is given two Latinized names: Genus – Capitalized Species - lowercase Both italicized or underlined Staphylococcus aureus (S. ______

    <p>aureus</p> Signup and view all the answers

    Microbial Classification Classification History Five Kingdoms - based on: Morphology, Metabolism, Molecular Techniques. Classification History 1978 Carl Woese proposed three domains based on: Cell wall, Membrane lipids, RNA sequence, Protein synthesis, Antibiotic sensitivity. Three Domains Naming Microorganisms Binomial nomenclature Used worldwide A system of naming organisms first proposed in the 1700s by Swedish scientist Carolus Linnaeus. Each organism is given two Latinized names: Genus – Capitalized Species - lowercase Both italicized or underlined Staphylococcus aureus (S. ______

    <p>aureus</p> Signup and view all the answers

    Microbial Classification Principles of Taxonomy Taxonomy: is the science that studies organisms to arrange them into groups, or taxa Three separate but interrelated areas: Identification Process of characterizing in order to group Classification Arranging organisms into similar or related groups Nomenclature System of assigning names Classification History Classification History Five Kingdoms - based on: Morphology - Metabolism - Molecular Techniques Classification History 1978 Carl Woese proposed three domains based on: Cell wall Membrane lipids RNA sequence Protein synthesis Antibiotic sensitivity Three Domains Naming Microorganisms Binomial nomenclature Used worldwide A system of naming organisms first proposed in the 1700s by Swedish scientist Carolus Linnaeus. Each organism is given two Latinized names: Genus – Capitalized Species - lowercase Both italicized or underlined Staphylococcus aureus (S. ______

    <p>aureus</p> Signup and view all the answers

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