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

52. The organelle that synthesizes the cell wall polysaccharides (pectins and hemicelluloses) destined for delivery to the expanding primary wall of a plant cell is the

A. Rough endoplasmic reticulum
B. Golgi apparatus (Dictyosome stacks)
✓
C. Mitochondrion matrix
D. Chloroplast stroma

📝 Explanation

While cellulose is built by plasma membrane enzymes, non-cellulose wall polysaccharides are synthesized in the Golgi and shipped out via vesicles.

📖 Additional Information

  • Rough endoplasmic reticulum
  • Golgi apparatus (Dictyosome stacks)
  • Mitochondrion matrix
  • Chloroplast stroma

While cellulose is built by plasma membrane enzymes, non-cellulose wall polysaccharides are synthesized in the Golgi and shipped out via vesicles.

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