Which one is not a component of a normal plan | vedclass

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(D) The plant cell wall is primarily composed of cellulose,hemicellulose,pectin,and proteins. Lignin and suberin are secondary wall materials that are

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Protein

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(D) The plant cell wall is primarily composed of cellulose,hemicellulose,pectin,and proteins. Lignin and suberin are secondary wall materials that are deposited in specific types of cells (like xylem vessels or cork cells) to provide mechanical support or waterproofing,respectively. However,in the context of a 'normal' or primary cell wall,proteins are considered a structural component,whereas lignin and suberin are specialized secondary depositions. Among the given options,$D$ (Protein) is a standard component of the primary cell wall matrix,while $A$,$B$,and $C$ are often associated with specialized or secondary cell wall modifications. However,if the question implies which is not a universal component,all are found in various plant cells. Given standard textbook classification,proteins are integral to the primary wall structure.

Which one is not a component of a normal plant cell wall?

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