Archaea: Characteristics and Types
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Questions and Answers

What is the optimal growth temperature for Thermoproteus sp.?

  • 25°C
  • 85°C (correct)
  • 95°C
  • 45°C

Which kingdom is characterized by the presence of a nucleus and membrane-bound organelles?

  • Protista
  • Archaea
  • Fungi
  • Eukarya (correct)

What is the primary mode of nutrition for the kingdom Plantae?

  • Photosynthesis (correct)
  • Absorption
  • Ingestion
  • Decomposition

Which group of organisms is characterized by the presence of flagella and the ability to live in anaerobic environments?

<p>Archaea (A)</p> Signup and view all the answers

What is the term for the process by which Myxomycota (acellular slime molds) feed?

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

Which group of organisms is characterized by the presence of lysosomes?

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

What is the term for the fruiting bodies produced by Myxomycota?

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

Which group of organisms is closely related to animals?

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

What is the characteristic that distinguishes eukaryotic cells from others?

<p>Presence of nuclei and cytoskeletons (B)</p> Signup and view all the answers

Which group of organisms was not accommodated by the early classification system?

<p>All of the above (D)</p> Signup and view all the answers

Who is credited with the discovery of archaea as a distinct group of organisms?

<p>Dr. Carl Woese (A)</p> Signup and view all the answers

What is the term for the study of evolutionary relationships between organisms?

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

What is the name of the classification system that recognizes five kingdoms of life?

<p>Five Kingdom System (C)</p> Signup and view all the answers

What is the characteristic that distinguishes archaea from bacteria?

<p>Vastly different genetic makeup (B)</p> Signup and view all the answers

Which of the following is NOT a characteristic of eukaryotic cells?

<p>Absence of cytoskeletons (A)</p> Signup and view all the answers

What is the term for the system of classification that uses a hierarchical ranking system?

<p>Rank System (C)</p> Signup and view all the answers

Which feature is characteristic of organisms in the Domain Archaea?

<p>Living in extreme environments (B)</p> Signup and view all the answers

Which of the following is NOT a typical environment for extremophiles?

<p>Moderate temperature soils (B)</p> Signup and view all the answers

What distinguishes a eukaryotic cell from a prokaryotic cell?

<p>Having a membrane-bound nucleus (A)</p> Signup and view all the answers

Which kingdom includes organisms that can be both autotrophic and heterotrophic?

<p>Protists (A)</p> Signup and view all the answers

What is a key function of bacteria in the nitrogen cycle?

<p>Fixing nitrogen (A)</p> Signup and view all the answers

Which cellular structure is found exclusively in eukaryotic cells but never in prokaryotic cells?

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

What type of reproduction is common between both archaea and bacteria?

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

Which term refers to archaea that thrive in extremely salty environments?

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

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