What Are Walls Made Out Of. It's impossible to make a clean cut in the interior walls since they crumble and the. Bacterial cell walls are made out of peptidoglycan.
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Fungal cell walls are made of chitin, the same stuff that insect skeletons are made of. Fungal cell walls are made of chitin, the same stuff that insect skeletons are made of. One exterior wall acts as a large 6 answer: Foundations serve to keep the walls and floors from contact with the soil, to guard them against the action of frost, to prevent them from sinking and settling which cause cracks in walls and uneven floors.