Question

What is the nature of cell-walls in diatoms?


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Answer 1

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The diatomaceous earth is quite soft and inert. The cell walls of distance have two thin overlapping shells filling into each other foaming shape of a soap box. These shells have deposition of silica into their structure. Since the cell walls are constructed with silica, they are indestructible.

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Answer 2

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The cell walls construction of diatoms is known as Frustule which consists of two thin overlapping shells fitting into each other just as a soap-box. Their walls are made up of silica. When the diatoms die, the silica in their cell walls gets deposited in the form of diatomaceous earth.