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BIO NMDCAT Cytoplasmic Organelles
nmdcat.online July 4, 2026

31. A primary functional contribution of the rough endoplasmic reticulum toward the operational architecture of the plasma membrane is the synthesis of

A. Integral transmembrane proteins
✓
B. Peripheral carbohydrate residues
C. Cytosolic cytoskeletal anchors
D. Extracellular matrix collagen

📝 Explanation

Transmembrane proteins are threaded into the RER membrane during translation, moving via vesicles through the secretory pathway to reach the plasma membrane.

📖 Additional Information

  • Integral transmembrane proteins
  • Peripheral carbohydrate residues
  • Cytosolic cytoskeletal anchors
  • Extracellular matrix collagen

Transmembrane proteins are threaded into the RER membrane during translation, moving via vesicles through the secretory pathway to reach the plasma membrane.

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