Introduction to Microbiology
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Questions and Answers

Which type of organisms are considered microbial cells and studied in microbiology?

  • Algae and protozoa
  • Bacteria and fungi (correct)
  • Viruses and prions
  • Helminths and worms
  • What is the main difference between prokaryotes and eukaryotes?

  • Prokaryotes have a nucleus, eukaryotes do not
  • Eukaryotes have a nucleus, prokaryotes do not (correct)
  • Eukaryotes have cell walls, prokaryotes do not
  • Prokaryotes have organelles, eukaryotes do not
  • What is the function of peptidoglycan in bacterial cell walls?

  • Energy storage
  • DNA replication
  • Respiration
  • Protection and structural support (correct)
  • Which process do bacteria mainly use to reproduce?

    <p>Binary fission</p> Signup and view all the answers

    Where are good bacteria often found in the human body?

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

    Who introduced the binomial system of scientific nomenclature?

    <p>Carolus Linnaeus</p> Signup and view all the answers

    Which of the following lacks peptidoglycan in its cell wall?

    <p>Archaea bacteria</p> Signup and view all the answers

    Which group of organisms primarily consists of saprobes and commensals?

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

    Which organisms may be motile by means of pseudopod, cilia, or flagella?

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

    Which group is known for living in extreme environments like extreme halophiles and thermophiles?

    <p>Archaea bacteria</p> Signup and view all the answers

    Which group produces molecular oxygen and organic compounds as part of the food chain?

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

    Which group consists of multicellular animals, including parasitic flatworms and roundworms?

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

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