Microbiology: Strains and Classification
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Questions and Answers

What is the term for the naming of microorganisms?

  • Taxonomy
  • Classification
  • Systematics
  • Nomenclature (correct)

How are the genus and species names typically written in a text?

  • In parentheses
  • In quotation marks
  • In bold and capital letters
  • In italics or underlined (correct)

What type of microorganisms require high concentrations of NaCl?

  • Thermophiles
  • Halo-tolerant
  • Mesophiles
  • Halophiles (correct)

What is the purpose of the International Committee on Systematic Bacteriology?

<p>To govern the nomenclature of microorganisms (A)</p> Signup and view all the answers

What is the term for the science of investigating small objects using an instrument?

<p>Microscopy (D)</p> Signup and view all the answers

How are the order and family names of microorganisms typically written?

<p>In uppercase letters (A)</p> Signup and view all the answers

What is the primary objective of taxonomy?

<p>To characterize and arrange organisms in an orderly manner (D)</p> Signup and view all the answers

Which area of taxonomy is concerned with naming of an organism?

<p>Nomenclature (B)</p> Signup and view all the answers

What is the categorization of organisms to taxonomic groups based on?

<p>Experimental and observational techniques, including morphological, physiological, biochemical properties, and genetics (C)</p> Signup and view all the answers

What is the most basic taxonomic group in microbial taxonomy?

<p>Species (B)</p> Signup and view all the answers

What is a bacterial species characterized by?

<p>Phenotypic and genotypic differences (B)</p> Signup and view all the answers

What is a strain of bacteria?

<p>A population of organisms that descend from a single previously existing organism (C)</p> Signup and view all the answers

What is the type strain of a bacterial species?

<p>The first strain of a species to be studied and fully characterized (D)</p> Signup and view all the answers

What is the purpose of identification in taxonomy?

<p>To isolate the causative agent of a disease (A)</p> Signup and view all the answers

What characterizes bacterial morphovars?

<p>Morphological differences (B)</p> Signup and view all the answers

Which feature of bacteria does not typically provide much information except for classifying into Gram-positive, Gram-negative, and acid-fast bacterial types?

<p>Cell wall peptidoglycan component (D)</p> Signup and view all the answers

What is the basis of phylogenetic classification?

<p>Evolutionary relationships (D)</p> Signup and view all the answers

Which characteristic is used to classify bacterial species into biovars?

<p>Biochemical or physiological characteristics (C)</p> Signup and view all the answers

What do genomic studies reveal about archaea's gene sequences?

<p>They contain unique sequences not found in bacteria or eukaryotes (B)</p> Signup and view all the answers

Which morphological characteristic is NOT typically considered in bacterial taxonomy?

<p>Reproductive method (C)</p> Signup and view all the answers

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