Plant Cell Wall Structure Quiz

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Questions and Answers

Where is the middle lamella located?

  • Between the primary and secondary cell walls
  • Between the primary cell wall and the plasma membrane (correct)
  • Within the primary cell wall
  • Between the plasma membrane and the secondary cell wall

What is the primary function of the middle lamella?

  • To provide rigidity to the cell wall
  • To allow for cell wall expansion during growth
  • To join adjacent plant cells (correct)
  • To transport materials between cells

Which component of the cell wall is responsible for cell adhesion and wall hydration?

  • Hemicellulose
  • Lignin
  • Pectin (correct)
  • Cellulose

What is the primary difference between the primary and secondary cell walls?

<p>The primary cell walls are thinner and less rigid compared to secondary cell walls (D)</p> Signup and view all the answers

Which component of the cell wall is a highly branched polymer found in the secondary cell walls of woody plants?

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

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