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BIO NMDCAT cell membrane
nmdcat.online July 8, 2026

Which component of the cell membrane is primarily responsible for its selective permeability?

A. Phospholipid bilayer
✓
B. Peripheral proteins
C. Cholesterol molecules
D. Carbohydrate chains

📝 Explanation

The hydrophobic core of the phospholipid bilayer prevents the free passage of polar/charged molecules.

📖 Additional Information

  • Phospholipid bilayer
  • Peripheral proteins
  • Cholesterol molecules
  • Carbohydrate chains

The hydrophobic core of the phospholipid bilayer prevents the free passage of polar/charged molecules.

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