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BIO NMDCAT Lipids
nmdcat.online June 27, 2026

Biological membranes retain flexibility primarily because phospholipids

A. Contain proteins only
B. Move laterally within the bilayer
✓
C. Are permanently fixed
D. Possess cellulose fibers

📝 Explanation

Phospholipids exhibit lateral movement, contributing to membrane fluidity.

📖 Additional Information

  • Contain proteins only
  • Move laterally within the bilayer
  • Are permanently fixed
  • Possess cellulose fibers

Phospholipids exhibit lateral movement, contributing to membrane fluidity.

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