Microbiology IV Quiz: Bacterial Organoids and Plasmids
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Questions and Answers

Which of the following elements facilitate evasion?

  • Teichoic acid
  • Plasma membrane
  • Flagella
  • Glycocalyx (correct)

Which statement about plasmids is false?

  • Exchange of plasmids can occur between one genera of bacteria
  • All statements are true (correct)
  • Multiresistant bacteria can develop due to plasmids
  • Plasmid may determine resistance against high concentrations of antibiotics

Which of the following are functions of capsule?

  • Adherence
  • Antigenic function
  • Barrier function
  • Protection (correct)

Which of the following is an adhesion factor?

<p>Endotoxin (A)</p> Signup and view all the answers

Which of the following is known as endotoxin?

<p>Teichoic acids (B)</p> Signup and view all the answers

Which of the following about ordinary pili is false?

<p>Provide evasion (C)</p> Signup and view all the answers

What inhibits phagocytosis in bacteria with a thick periplasmic space?

<p>Capsule (D)</p> Signup and view all the answers

What type of cross-link is found in Gram-positive bacteria?

<p>Pentaglycine cross-link (D)</p> Signup and view all the answers

What is an evasion factor in the context of bacterial infection?

<p>A factor that protects bacteria from host’s immune response (A)</p> Signup and view all the answers

Which component of the cell wall is higher in Gram-positive bacteria?

<p>Teichoic and lipoteichoic acids (B)</p> Signup and view all the answers

What can cause a disease when normal microbiota experience dysbiosis?

<p>Normal microbiota (A)</p> Signup and view all the answers

What plays a significant role in the process of infection?

<p>Immunity of the host (D)</p> Signup and view all the answers

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