Answer :

Fungal cellulose is: - b. Chitin Explanation: 1. Fungal cellulose is not murein, which is a component of bacterial cell walls. 2. Fungal cellulose is not peptidoglycan, which is also found in bacterial cell walls. 3. Fungal cellulose is not xylan, which is a hemicellulose found in plant cell walls. 4. Chitin is a polysaccharide found in the cell walls of fungi, making it the correct answer in this case.