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The middle lamella between neighbouring plant cells is mainly made of what?
ACalcium pectate
BCalcium chloride
CCellulose fibres
DHemicellulose gum
Answer & Solution
Correct answer: A. Calcium pectate
1. The middle lamella is the layer that glues adjacent cells together.
2. It is chemically distinct from the cellulose of the wall itself.
3. It is a layer mainly of calcium pectate.
_Source: NCERT Class 11 Biology, Ch 8 'Cell: The Unit of Life'_
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