Prokaryotes Biology Quiz
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Questions and Answers

What term describes the set of environmental conditions in which a species of microbe can replicate?

  • Habitat
  • Ecological Zone
  • Environmental Range
  • Niche (correct)
  • Which type of microbe grows in the presence of oxygen, but can also survive without it?

  • Obligate aerobe
  • Strict anaerobe
  • Aerotolerant anaerobe
  • Facultative anaerobe (correct)
  • What is the term for microbes that grow in temperatures between 0-20 degrees Celsius?

  • Psychrophile (correct)
  • Mesophile
  • Thermophile
  • Psychotroph
  • What is the primary function of the plasma membrane in prokaryotes?

    <p>Respiratory chain and transport systems</p> Signup and view all the answers

    Which type of microbe lacks or has very low quantities of superoxide dismutase and catalase?

    <p>Strict anaerobe</p> Signup and view all the answers

    What is the method used to monitor the cell number in a bacterial culture?

    <p>Optical density measurement</p> Signup and view all the answers

    What is the term for microbes that grow in environments with high temperatures and pressure?

    <p>Deep sea hydrothermal vent</p> Signup and view all the answers

    What is the characteristic feature of cyanobacteria?

    <p>Only photosynthetic prokaryotes that produce oxygen</p> Signup and view all the answers

    Which type of microbe forms a mutualistic relationship with leguminous plants?

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

    What is the function of the 70S ribosomes in prokaryotes?

    <p>Protein synthesis</p> Signup and view all the answers

    What is the term for microbes that grow in environments with a wide range of metabolic capabilities?

    <p>Free-living</p> Signup and view all the answers

    What is the method used to determine the number of viable cells in a bacterial culture?

    <p>Viable counting method</p> Signup and view all the answers

    Which type of microbe interacts with its host organism, but the host is unaffected?

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

    What is the term for organisms that use carbon dioxide as their carbon source?

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

    What is the energy source for phototrophs?

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

    What is the term for microbes that grow in environments with temperatures between 55-85 degrees Celsius?

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

    What is the characteristic of prokaryotic reproduction?

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

    Which type of microbe forms a mutualistic relationship with the Hawaiian bobtail squid?

    <p>Vibrio fischeri</p> Signup and view all the answers

    What is the location of enzymes in prokaryotes?

    <p>Cell membrane and cytoplasm</p> Signup and view all the answers

    In which part of the prokaryotic cell are the transport systems involved in the movement of solutes across the cell membrane located?

    <p>Cell membrane</p> Signup and view all the answers

    What is the primary function of the respiratory chain in the plasma membrane of prokaryotes?

    <p>Energy generation</p> Signup and view all the answers

    Which type of ribosomes are found in prokaryotes?

    <p>70S ribosomes</p> Signup and view all the answers

    What is the characteristic of autotrophs in terms of their carbon source?

    <p>They use carbon dioxide to make carbon compounds</p> Signup and view all the answers

    Which type of prokaryotes are the only photosynthetic prokaryotes that produce oxygen?

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

    What is the method used to measure the cell density of a bacterial culture?

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

    What is the characteristic feature of binary fission in prokaryotes?

    <p>It is a type of asexual reproduction</p> Signup and view all the answers

    What is the energy source for chemotrophs?

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

    In which part of the prokaryotic cell are the enzymes involved in diverse metabolism located?

    <p>Cell membrane and cytoplasm</p> Signup and view all the answers

    What is the range of oxygen concentration that microaerophiles require?

    <p>2-10%</p> Signup and view all the answers

    What is the term for microbes that grow in environments with temperatures between 20-45 degrees Celsius?

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

    What is the characteristic feature of strict anaerobes?

    <p>They lack or have very low quantities of superoxide dismutase and catalase</p> Signup and view all the answers

    What type of microbe forms a mutualistic relationship with the Hawaiian bobtail squid?

    <p>Vibrio fischeri</p> Signup and view all the answers

    What is the term for microbes that grow in environments with high temperatures and high pressure?

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

    What is the term for the set of environmental conditions in which a species of microbe can replicate?

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

    What type of microbe grows in environments with temperatures between 0-20 degrees Celsius?

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

    What is the term for microbes that grow in environments with temperatures between 55-85 degrees Celsius?

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

    What type of microbe grows in environments with a wide range of metabolic capabilities?

    <p>Free-living</p> Signup and view all the answers

    What is the term for microbes that grow in environments with low water activity?

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

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