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BIO NMDCAT Conjugated molecules
nmdcat.online July 3, 2026

8. The cellular structure that acts as the primary site for the initial attachment of core oligosaccharides to nascent proteins is the

A. Smooth endoplasmic reticulum
B. Rough endoplasmic reticulum
✓
C. Lysosome
D. Peroxisome

📝 Explanation

N-linked glycosylation begins in the lumen of the rough endoplasmic reticulum as polypeptides are being translated by ribosomes.

📖 Additional Information

  • Smooth endoplasmic reticulum
  • Rough endoplasmic reticulum
  • Lysosome
  • Peroxisome

N-linked glycosylation begins in the lumen of the rough endoplasmic reticulum as polypeptides are being translated by ribosomes.

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