The middle lamella, which cements neighbouring plant cells together, is composed mainly of
- A. cellulose
- B. pectin
- C. lignin
- D. suberin
Explanation
The middle lamella is a shared pectin-rich layer formed first during cell division, gluing adjacent walls together. Cellulose makes up the wall itself on each side of it, and suberin is the waterproofing of cork, not the cementing layer.
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