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The plant cell wall is mainly composed of which substances?
AChitin, lipids and keratin
BCellulose, pectins and proteins
CPhospholipids and cholesterol
DPeptidoglycan with teichoic acid
Answer & Solution
Correct answer: B. Cellulose, pectins and proteins
In most plants the wall contains cellulose, hemicellulose, pectins and proteins.
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