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BIO NMDCAT CELL STRUCTURE & FUNCTION
nmdcat.online July 3, 2026

19. The gel-like intercellular matrix layer rich in magnesium and calcium pectates that cements the primary walls of adjacent plant cells together is the

A. Secondary wall
B. Middle lamella
✓
C. Glycocalyx
D. Plasma membrane

📝 Explanation

The middle lamella acts as a cellular glue between neighboring plant cells, composed primarily of sticky sticky pectin compounds.

📖 Additional Information

  • Secondary wall
  • Middle lamella
  • Glycocalyx
  • Plasma membrane

The middle lamella acts as a cellular glue between neighboring plant cells, composed primarily of sticky sticky pectin compounds.

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