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Discussion

Hyphal wall consists of microfibrils composed of ___________________

  • A.hemicellulose or chitin
  • B.cellulose
  • C.lipids
  • D.proteins

Answer: A

Correct answer: hemicellulose or chitin

A fungal wall is built of microfibrils in a matrix, and in most fungi the fibrillar material is chitin - a polymer of N-acetylglucosamine - with hemicellulosic glucans in the matrix. Cellulose walls occur only in the oomycetes. Note that this is quite unlike a bacterial wall, which is peptidoglycan, and is why antifungal drugs need different targets.

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