Replisome Movement and Cell Division
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Questions and Answers

Which of the following is NOT a mode of locomotion for bacteria?

  • Gliding Motility (correct)
  • Swimming Motility
  • Flagella
  • Archaella

    • What is the shape of a bacterial flagellum?

  • Cylindrical
  • Spiral
  • Spherical
  • Helical (correct)

    • Which type of rotation of flagella causes the flagellar bundle to fall apart?

  • Clockwise (CW) (correct)
  • Counterclockwise (CCW)
  • Both CW and CCW rotations
  • None of the above

    • What is the term for the directed movement of a bacterium in response to chemical gradients?

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

    Which type of rotation of flagella causes the flagella to bundle together and push the cell forward?

    <p>Counterclockwise (CCW)</p> Signup and view all the answers

    What is the term for the brief stop and change in direction of a bacterium during chemotaxis?

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

    Which of the following is NOT a type of taxis?

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

    What do chemoreceptors in bacteria sense?

    <p>Attractants and repellents</p> Signup and view all the answers

    What is the term for directed movement in response to light?

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

    What is the shape of a bacterial flagellum filament?

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

    What are the secrete adhesion factors called that stalk & Tips have?

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

    What are the three modes of locomotion for bacteria?

    <p>Flagella, Archaella, and Swimming Motility</p> Signup and view all the answers

    What is the term for the movement of a bacterium in response to chemical gradients?

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

    What is the term for the directed movement in response to light?

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

    What is the term for the response to oxygen?

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

    What is the term for the response to ionic strength?

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

    What is the term for the response to water?

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

    What are the structures that sense attractants and repellents in bacteria called?

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

    What is the shape of a bacterial flagellum filament?

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

    What type of rotation of flagella causes the flagellar bundle to fall apart?

    <p>clockwise (CW) rotation</p> Signup and view all the answers

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