Lignin could not be expected in which part of the plant cell wall:
Correct answer: D. Both "B" and "C"
- A. Secondary cell wall
- B. Middle lamella
- C. Primary cell wall
- D. Both "B" and "C"
Explanation
The primary cell wall of the plant is composed of cellulose, pectic compounds mostly polysaccharides, and hemicellulose. It lacks lignin. Middle lamella also lacks lignin.
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