Bacterial Morphology and Metabolism Quiz
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Questions and Answers

Which shape is not included in the three shapes mentioned for bacteria morphology?

  • Spiral/Spirochetes
  • Rods (correct)
  • Cocci
  • Bacilli
  • Which mechanism is not listed as a major mechanism to generate metabolic energy in bacteria?

  • Photosynthesis
  • Respiration
  • Fermentation
  • Oxidation (correct)
  • What is the source of carbon for Autotrophs in bacteria?

  • Water
  • Oxygen
  • Carbon Dioxide (correct)
  • Glucose
  • Which phase of bacterial growth involves equal death and creation of bacteria?

    <p>Stationary Phase</p> Signup and view all the answers

    What determines the direct plate count method to determine cell number in bacteria?

    <p>Counting Colonies (CFU/mL)</p> Signup and view all the answers

    Which pH range is classified as alkaliphiles according to the text?

    <p>&gt;8.0-10.5</p> Signup and view all the answers

    What is the main function of the cytoplasmic/cell membrane in bacterial cells?

    <p>Transport solutes</p> Signup and view all the answers

    Which component of the bacterial cell envelope primarily serves as a barrier to hydrophobic compounds?

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

    What is the function of porins in the outer membrane of gram-negative bacteria?

    <p>Control passage of solutes and nutrients</p> Signup and view all the answers

    Which layer forms the innermost part of the bacterial cell envelope?

    <p>Lipid bilayer</p> Signup and view all the answers

    In bacterial cells, how is chemical energy (ATP) generated in the absence of mitochondria?

    <p>By the cytoplasmic/cell membrane</p> Signup and view all the answers

    What is the main role of the outer membrane in gram-negative bacteria with regard to antibiotics?

    <p>Provide high antibiotic resistance</p> Signup and view all the answers

    Which component of a bacterial cell is responsible for holding the nucleus and ribosomes?

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

    What is the primary function of the outer membrane in a bacterial cell?

    <p>Regulating the passage of molecules into the cell</p> Signup and view all the answers

    Which part of a bacterial cell is involved in the process of protein synthesis?

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

    What role does the cell envelope play in bacterial metabolism?

    <p>Providing structural support</p> Signup and view all the answers

    In terms of metabolism, what is the main function of the cytoplasmic membrane in bacteria?

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

    Which component of a bacterial cell contributes most to its resistance profile against antibiotics and chemicals?

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

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