allerySclerenchyma cell walls are thickened due to:
ALatex
BLactose
CLignin
DLipids
Answer & Solution
Correct answer: C. Lignin
1. The thickening makes the tissue rigid.
2. It is a substance laid into the wall.
3. That substance is lignin.
_Source: syllabus Science, Ch 6 'Tissues'_
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