Cellulose in Plant Cell Walls

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Questions and Answers

What is the primary function of cellulose in plants?

  • To aid in the digestion of food
  • To produce biofuels
  • To provide strength to the stem, branches, and leaves (correct)
  • To provide nutrients to the plant

Who is credited with the discovery of cellulose?

  • Agrobacterium
  • Anselme Payen (correct)
  • Rhizobium
  • Hyatt Manufacturing Company

What is the chemical formula of cellulose?

  • (C6H10O3)n
  • (C6H10O2)n
  • (C6H10O5)n (correct)
  • (C6H10O5)x

Why is cellulose important in the human diet?

<p>It aids in the digestion of food (A)</p> Signup and view all the answers

What is the characteristic of cellulose that makes it strong?

<p>Its crystalline-ordered polysaccharide linear chains (D)</p> Signup and view all the answers

What is the primary use of cellulose in the cosmetic industry?

<p>As a preservative (C)</p> Signup and view all the answers

What is the byproduct of cellulose breakdown under high temperature and mineral acid treatment?

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

What is the primary function of cellulose in plant cells?

<p>To provide structural support and rigidity (B)</p> Signup and view all the answers

What is a common industrial application of cellulose?

<p>All of the above (D)</p> Signup and view all the answers

What percentage of a dry plant is typically composed of cellulose?

<p>40 to 50 percent (B)</p> Signup and view all the answers

What is the chemical structure of cellulose?

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

In which plant organs is cellulose typically found?

<p>Fruits, leaves, and vegetables (B)</p> Signup and view all the answers

What is the role of cellulose in plant growth and development?

<p>To provide structural support and allow upright growth (D)</p> Signup and view all the answers

What is the approximate percentage of cellulose in wood?

<p>90 percent (B)</p> Signup and view all the answers

What is another example of a polysaccharide, besides cellulose?

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

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