Bacterial Cell Wall Components
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Questions and Answers

What is the primary component of the bacterial cell wall that provides structural strength and shape?

  • Glucans
  • Teichoic acid
  • Peptidoglycan (correct)
  • Mannans

Which component in the fungal cell wall contributes to the integrity of the wall and causes disorder if its synthesis is disrupted?

  • Mannans
  • Chitin (correct)
  • Glucans
  • Glycoproteins

What is the function of lipoteichoic acid in bacterial cell walls?

  • Protection from pathogens
  • Contributes to structural strength
  • Forms a dynamic network
  • Adhesion to host cells (correct)

Which layer in the plant cell wall is rich in pectin and helps in joining adjacent cell walls together?

<p>Middle lamella (B)</p> Signup and view all the answers

What is the primary function of lignin in the plant cell wall?

<p>Conduction of water (C)</p> Signup and view all the answers

What is the main difference between a hypotonic and a hypertonic solution in terms of water movement?

<p>Hypotonic has net water movement out of the cell, while hypertonic has net water movement into the cell (D)</p> Signup and view all the answers

What is the role of lipids in the fungal cell wall?

<p>Regulate movement of water (A)</p> Signup and view all the answers

Which component contributes to the overall rigidity of the bacterial cell wall and is important for maintaining cell shape?

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

What is the primary function of liposaccharides anchored in the outer membrane of certain bacterial cells?

<p>Protection from pathogens (A)</p> Signup and view all the answers

What is the significance of pentaglycine bridges connecting tetrapeptide units in the peptidoglycan of bacterial cells?

<p>Provide structural strength and shape (C)</p> Signup and view all the answers

What is the function of lipoteichoic acid in bacterial cell walls?

<p>Adhesion to host cells (C)</p> Signup and view all the answers

Which component primarily contributes to the structural basis of the fungal cell wall?

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

What is the role of lipids in the plant cell wall?

<p>Conduction of water (B)</p> Signup and view all the answers

Which layer in the bacterial cell wall provides structural strength and shape?

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

What contributes to the rigidity of the fungal cell wall by covalently cross-linking with chitin and glycoproteins?

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

In bacterial cells, what connects tetrapeptide units in peptidoglycan and is essential for maintaining the overall rigidity?

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

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