Fungi · Botany

Which of the following is the primary structural polysaccharide found in the cell walls of most fungi?

  1. Cellulose
  2. Peptidoglycan
  3. Chitin
  4. Glycogen
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Correct answer: Chitin

Chitin is a durable, flexible nitrogen-containing polysaccharide that provides structural support to fungal cell walls. Unlike plants which use cellulose or bacteria which use peptidoglycan, fungi rely on chitin to maintain cell integrity.

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