Microbial Growth Culture Techniques Quiz
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Questions and Answers

Which term refers to a microbial culture descended from a single cell originally isolated from the environment?

  • Strain (correct)
  • Populations
  • Colonies
  • Aseptic Technique
  • What is the ultimate outcome of metabolic activity in microorganisms?

  • Increase in population size
  • Increase in cell size
  • Generation time
  • Reproduction (correct)
  • What does microbial growth specifically refer to?

  • An increase in population size (correct)
  • A decrease in population size
  • An increase in cell size
  • Both an increase in cell size and population size
  • Which method refers to implanting microbes into or upon culture media?

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

    What is the term for the time it takes for a cell to divide into two new cells through binary fission?

    <p>Generation time</p> Signup and view all the answers

    In the context of bacterial growth, what does the term 'generation' refer to?

    <p>Growth by binary fission</p> Signup and view all the answers

    What is the term for growth that results in an increase in the number of cells, not an increase in size?

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

    Which process involves growth by binary fission?

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

    In microbial growth, what is the term for the time it takes for a population to double in number?

    <p>Doubling time</p> Signup and view all the answers

    Which of the following is NOT a necessary element contained in most common nutrients for microbial growth?

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

    What is the term used for organisms that obtain energy from light nourishment?

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

    Which environmental factor can significantly influence the growth of microbes?

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

    What term is used to describe an aggregation of cells arising from a single parent cell as a result of reproduction?

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

    What type of reproduction results in an increase in the number of cells during microbial growth?

    <p>Asexual reproduction</p> Signup and view all the answers

    What is the term for microorganisms that obtain energy from chemical compounds?

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

    What term is used for organisms that use a variety of nutrients for their energy needs and to build organic molecules and cellular structures?

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

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