In which class, the cell wall possesses pectin and polysulphate esters beside the cellulose?

Phaeophyceae

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All of the above

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Rhodophyceae

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Chlorophyceae

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Solution

The correct option is C Rhodophyceae
Cell wall composition of Rhodophyceae

The red algae possess complex cell walls which are made of cellulose and extensive matrix polysaccharides. Hence, the cell wall of members of Rhodophyceae contains pectin and polysulphate esters beside the cellulose.

Final answer: (c) Rhodophyceae

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Collenchyma cells are elongated cells with irregularly thick cell walls that provide support and structure. Their thick cell walls are composed of the compounds cellulose and pectin.

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Chrysophytes

Standard XIII Biology

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