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Which of the following is not a constituent of the wood cell wall?

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in Food Packaging Technology by (63.0k points)
Which of the following is not a constituent of the wood cell wall?

(a) Cellulose

(b) Pectin

(c) Hemicellulose

(d) Lignin

This question was addressed to me in my homework.

The above asked question is from Paper Basics topic in chapter Paper and Paper Based Packaging Materials of Food Packaging Technology

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The correct option is (b) Pectin

Explanation: Pectin is not a constituent of the wood cell wall. It is a heteropolysaccharide present in primary cell walls of plants. It is responsible for the structural integrity of the cell. There are three main constituents of the wood cell wall – Cellulose, Hemicellulose and Lignin.

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