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BIO NMDCAT Cytoplasmic Organelles
nmdcat.online July 4, 2026

39. The specialized proteins that line the inner surface of the RER membrane to bind the large subunits of translating ribosomes are called

A. Porins
B. Ribophorins
✓
C. Clatherins
D. Importins

📝 Explanation

Ribophorins I and II are structural glycoproteins found uniquely on the RER membrane that secure ribosomes in place during synthesis.

📖 Additional Information

  • Porins
  • Ribophorins
  • Clatherins
  • Importins

Ribophorins I and II are structural glycoproteins found uniquely on the RER membrane that secure ribosomes in place during synthesis.

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