Importance of Biofilms in Microbiology
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Questions and Answers

Which structure secretes polysaccharides into the environment to protect colonies of bacteria in their sessile form?

  • Ribosomes
  • Biofilm matrix (correct)
  • Spores
  • Cell membrane
  • What is the function of LPS (lipopolysaccharide) in bacterial cell walls?

  • Cell division
  • Antiphagocytic (correct)
  • Energy production
  • Protein synthesis
  • What is the role of capsules in bacterial protection against the environment?

  • Nutrient absorption
  • Antiphagocytic (correct)
  • Protein folding
  • DNA replication
  • Which structure is responsible for adherence to surfaces in bacteria?

    <p>Capsules/Slime</p> Signup and view all the answers

    What type of colonies inhibit phagocytosis due to their composition?

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

    Which bacterial structure is crucial for protecting the bacterium for an extended period, sometimes for decades?

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

    What is the main function of biofilms in bacteria?

    <p>Protection against harmful substances and the immune system</p> Signup and view all the answers

    Which characteristic differentiates capsules from slime in bacteria?

    <p>'Well-defined' nature</p> Signup and view all the answers

    'Mucoid colonies' primarily affect which process in bacterial defense?

    <p>'Quorum sensing'</p> Signup and view all the answers

    'Capsular serotypes' in bacteria are closely related to which concept?

    <p>'Vaccines'</p> Signup and view all the answers

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