Bacterial Metabolism Quiz
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Questions and Answers

Which pathway involves the degradation of complex molecules and is energy generating?

  • Krebs cycle (correct)
  • Entner-Duodoroff pathway
  • Pentose-Phosphate pathway
  • Embden-Meyerhof pathway
  • Which process involves the capture of nutrients by simple diffusion?

  • Simple diffusion (correct)
  • Active transport into bacterial cell
  • Group translocation
  • Facilitated diffusion
  • Which mechanism yields energy from ATP or proton gradient for the active transport of nutrients into bacterial cells?

  • Simple diffusion
  • Active transport into bacterial cell (correct)
  • Group translocation
  • Facilitated diffusion
  • Which type of compounds are more energy-rich and undergo oxidation-reduction reactions?

    <p>Highly reduced compounds</p> Signup and view all the answers

    Which pathway is involved in the biosynthesis of complex molecules and is energy-consuming?

    <p>Pentose-Phosphate pathway</p> Signup and view all the answers

    Which pathway is also known as the citric acid cycle and is used by all aerobic organisms to generate energy?

    <p>Krebs cycle</p> Signup and view all the answers

    Which method of nutrient capture involves the transport of glucose by being phosphorylated in the absence of oxygen?

    <p>Group translocation</p> Signup and view all the answers

    Which type of transport involves a compound and a carrier protein for entrance into the bacterial cell?

    <p>Facilitated diffusion</p> Signup and view all the answers

    Which process involves the degradation of complex molecules and is energy-generating?

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

    Which pathway is responsible for the biosynthesis of complex molecules and is energy-consuming?

    <p>Pentose-Phosphate pathway</p> Signup and view all the answers

    Which type of compounds undergo oxidation-reduction reactions involving the transfer of electrons?

    <p>Highly reduced compounds</p> Signup and view all the answers

    Which method of nutrient capture involves the movement of substances from an area of high concentration to an area of low concentration without the need for a carrier protein?

    <p>Simple diffusion</p> Signup and view all the answers

    Which molecule is the final electron acceptor in anaerobic respiration?

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

    What is the main difference between fermentation and anaerobic respiration?

    <p>The production of ATP</p> Signup and view all the answers

    Which process does not require oxygen?

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

    What is the energy yield of aerobic respiration in prokaryotes?

    <p>38 ATP</p> Signup and view all the answers

    In which type of fermentation does pyruvic acid convert to ethyl alcohol and CO2?

    <p>Alcoholic fermentation</p> Signup and view all the answers

    What is the final electron acceptor in aerobic respiration?

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

    Which type of bacteria is capable of switching between aerobic respiration and anaerobic pathways?

    <p>Facultative anaerobic</p> Signup and view all the answers

    What is the primary difference in energy production between aerobic and anaerobic bacteria?

    <p>The types of electron acceptors used</p> Signup and view all the answers

    Which type of fermentation does not produce lactic acid?

    <p>Mixed acid fermentation</p> Signup and view all the answers

    What is the primary difference between aerobic and anaerobic bacteria?

    <p>The presence of oxygen</p> Signup and view all the answers

    In which process are carrier molecules used to transport electrons resulting in the formation of ATP?

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

    What is the main difference between aerobic and anaerobic respiration in terms of the final electron acceptor?

    <p>Aerobic respiration uses oxygen while anaerobic respiration uses inorganic molecules</p> Signup and view all the answers

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